Polaris 550 EPS - Manual

4 INTRODUCTION The following signal words and symbols appear throughout this manual and on your vehicle. Your safety is involved when these words and symbols are used. Become familiar with their meanings before reading the manual. The safety alert symbol indicates a potential personal injury hazard....

5 INTRODUCTION Failure to heed the warnings and safety precautions contained in this manual can result in severe injury or death. A POLARIS ATV is not a toy and can be hazardous to operate. This vehicle handles differently than other vehicles, such as motorcycles and cars. A collision or rollover ca...

6 INTRODUCTION Vehicle Identification Numbers Record your vehicle's identification numbers and key number in the spaces provided. Remove the spare key and store it in a safe place. An ignition key can be duplicated only by ordering a POLARIS key blank (using your key number) and mating it with one o...

7 SAFETY Safety Training ATV safety training is a top priority for POLARIS. POLARIS strongly encourages you and any family members who will be riding the ATV to take a training course. If you purchased a new POLARIS ATV in the United States, your dealer provided information about the authorized ATV ...

8 SAFETY Safe Riding Gear Always wear appropriate clothing when riding an ATV. Wear protective clothing for comfort and to reduce the chance of injury. Helmet Wearing a helmet can prevent a severe head injury. Whenever riding a POLARIS vehicle, always wear a helmet that meets or exceeds established ...

9 SAFETY Safe Riding Gear Eye Protection Do not depend on eyeglasses or sunglasses for eye protection. Whenever riding a POLARIS vehicle, always wear shatterproof goggles or use a shatterproof helmet face shield. POLARIS recommends wearing approved Personal Protective Equipment (PPE) bearing marking...

10 SAFETY Safety Warnings Failure to operate the ATV properly can result in a collision, loss of control, accident or overturn, which may result in serious injury or death. Heed all safety warnings outlined in this section of the owner’s manual. See the OPERATION section of the owner’s manual for pr...

11 SAFETY Safety Warnings Handling Gasoline Gasoline is highly flammable and explosive under certain conditions. • Always exercise extreme caution whenever handling gasoline.• Always refuel with the engine stopped, and outdoors or in a well ventilated area. • Do not smoke or allow open flames or spa...

12 SAFETY Safety Warnings Protective Apparel Riding in this vehicle without wearing an approved helmet and protective eyewear increases the risk of a serious injuries in the event of an accident.Operator and passenger must always wear an approved helmet that fits properly and eye protection (goggles...

13 SAFETY Safety Warnings Carrying a Passenger in the Cargo Box A passenger riding in the cargo box could fall from the vehicle unexpectedly or may contact moving components, both of which can result in severe injury or death. Never allow a passenger to ride in the cargo box. Operating on Pavement O...

14 SAFETY Safety Warnings Physical Control of the ATV Removing even one hand or foot can reduce ability to control the vehicle or could cause loss of balance and ejection from the ATV.If a person's feet are not firmly planted on the footrests, they could come into contact with the wheels or other mo...

15 SAFETY Safety Warnings Improper Hill Climbing Improper hill climbing could cause loss of control or overturn. Always follow proper procedures for climbing hills as described in the owner's manual. See page 65. Never operate in TURF mode while operating on a hill or other irregular terrain. Always...

16 SAFETY Safety Warnings Stalling While Climbing a Hill Stalling, rolling backwards or improperly dismounting while climbing a hill could cause an overturn.• Always maintain a steady speed when climbing a hill. • Never operate in TURF mode while operating on a hill or other irregular terrain. Alway...

17 SAFETY Safety Warnings Operating on Slippery Terrain Failure to use extra caution when operating on excessively rough, slippery or loose terrain could cause loss of traction, loss of control, accident or overturn.Do not operate on excessively rough, slippery or loose terrain until you've learned ...

18 SAFETY Safety Warnings Improper Tire Maintenance Operating this ATV with improper tires or with improper or uneven tire pressure could cause loss of control or accident.Always use the size and type of tires specified for your ATV.Always maintain proper tire pressure as described in the owner's ma...

19 SAFETY Safety Warnings Operating Through Deep Water Operating the ATV through deep or fast-flowing water could cause the tires to float, causing loss of control or overturn.Avoid operating the ATV through deep or fast-flowing water. If it's unavoidable to enter water that exceeds the recommended ...

20 SAFETY Safety Warnings Operating on Frozen Bodies of Water Operating on frozen bodies of water may result in serious injury or death if the ATV and/or riders fall through the ice.Never operate the ATV on a frozen body of water unless you have independently verified that the ice is sufficiently th...

21 SAFETY Safety Warnings Operating a Damaged ATV Operating a damaged ATV can result in an accident. After any overturn or accident, have a qualified service dealer inspect the entire machine for possible damage, including (but not limited to) brakes, throttle and steering systems. Physical Skills S...

22 SAFETY Safety Labels and Locations Warning labels have been placed on the vehicle for your protection. Read and follow the instructions on each label carefully. If any of the labels shown in this manual differ from the labels on your vehicle, always read and follow the instructions of the labels ...

23 SAFETY Safety Labels and Locations Age 16 Warning WARNING Operating this ATV if you are under the age of 16 increases the chances of severe injury or death to both operator and passenger. NEVER operate this vehicle if you are under age 16. 7175375 Reverse Override Warning/AWD Caution WARNING Impr...

25 SAFETY Safety Labels and Locations Tire Pressure/Load Warning WARNING Improper tire pressure or overloading can cause loss of control. Loss of control can result in severe injury or death.• Cold tire pressure: Front: 7.0 psi (48.3 kPa)Rear: 7.0 psi (48.3 kPa) • Maximum weight capacity: 735 lbs. (...

26 SAFETY Safety Labels and Locations Rack Warning, Front WARNING DO NOT TOW FROM RACK OR BUMPER. Vehicle damage or tipover may result causing severe injury or death. Tow only from tow hooks or hitch. Maximum combined Front Rack and Container Load: 120 lbs. (54 kg) 7175847 Clutch Cover Warning WARNI...

27 SAFETY Safety Labels and Locations Box Warning WARNING Remove flammable material containers from box before filling. WARNING Passengers can be thrown off. This can cause serious injury or death. Never carry passengers in cargo box.Maximum Box Load - 400 lbs. (181 kg) 7173890

28 FEATURES AND CONTROLS Switches Mode/Reverse Override Switch This vehicle is equipped with a reverse speed limiter system.To gain additional wheel speed while backing, depress the override switch. WARNING! Pressing the override button while the throttle is open can cause loss of control, which may...

29 FEATURES AND CONTROLS Switches Main Key Switch Use the main key switch to start the engine. See page 59. 4X4 Switch Use the 4X4 switch to engage ADC 4X4, 4X4, 2X4 or TURF mode. See pages 38-39. The vehicle automatically engages 4X4 when operating in reverse if the switch is set to either 4X4 posi...

30 FEATURES AND CONTROLS Throttle Lever Operating an ATV with sticking or improperly operating throttle controls could cause an accident. Never start or operate an ATV that has a sticking or improperly operating throttle. Always contact your dealer for service before operating the vehicle.Failure to...

31 FEATURES AND CONTROLS Brake Lever Operating the ATV with a spongy brake lever can result in loss of braking, which could cause an accident. Never operate the ATV with a spongy-feeling brake lever. Always contact your dealer for service before operating the vehicle. Squeeze the brake lever toward ...

32 FEATURES AND CONTROLS Master Cylinder/Brake Fluid An over-full master cylinder may cause brake drag or brake lock-up, which could result in an accident. Maintain brake fluid at the recommended level. Do not overfill.Never store or use a partial bottle of brake fluid. Brake fluid is hygroscopic, m...

33 FEATURES AND CONTROLS Parking Brake Locking the Parking Brake 1. Place the transmission in PARK. 2. Squeeze and release the brake lever two or three times, then squeeze and hold. 3. Push the parking brake lock forward to engage the lock. 4. Release the brake lever. 5. To release the parking brake...

34 FEATURES AND CONTROLS Auxiliary Foot Brake Never back down a hill. Applying the auxiliary brake when backing down a hill may cause rear tipover, which could result in serious injury or death. Use caution when applying the auxiliary brake. Do not aggressively apply the auxiliary brake when going f...

35 FEATURES AND CONTROLS Auxiliary Foot Brake Brake Fluid Level Check the brake fluid level frequently for the auxiliary brake system. The reservoir is located under the front storage box. See page 43. Maintain the fluid level between the maximum and minimum marks. Use DOT 4 brake fluid only. NOTICE...

36 FEATURES AND CONTROLS Automatic Transmission Gear Selector The transmission gear selector is located on the right side of the vehicle. H: High GearL: Low GearN: NeutralR: ReverseP: Park To shift gears, brake to a complete stop. When the engine is idling, move the lever to the desired gear. NOTICE...

37 FEATURES AND CONTROLS Fuel Tank Cap Remove the fuel tank cap to add fuel to the fuel tank. Use either leaded or unleaded gasoline with a minimum pump octane number of 87=(R+ M/2) octane. Do not use fuel with ethanol content greater than 10 percent, such as E-85 fuel . Always refuel with the engin...

38 FEATURES AND CONTROLS All Wheel Drive System The All Wheel Drive system is controlled by the 4X4 switch. ADC 4X4 Mode When the switch is on ADC 4X4, the ADC system allows engine braking to all four wheels when the vehicle descends a hill or incline. Always move the 4X4 switch to ADC 4X4 before as...

39 FEATURES AND CONTROLS All Wheel Drive System 2X4 Mode When the switch is on 2X4, the ATV is in two-wheel drive at all times. TURF Mode When operating in TURF mode, the inside rear wheel will rotate independently from the outside wheel during turns. Operate in TURF mode only as needed to protect s...

40 FEATURES AND CONTROLS Active Descent Control (ADC) System The ADC system allows engine braking to all four wheels when the vehicle descends a hill or incline. Always move the 4X4 switch to ADC 4X4 before ascending or descending a hill. Engaging Active Descent Control The ADC system will automatic...

41 FEATURES AND CONTROLS Passenger Seat Always make sure the passenger seat lock-out is functioning properly before operating with a passenger. Do not operate the vehicle with the seat in the 2-up position when operating without a passenger. Always return the seat to the 1-up position for single-rid...

42 FEATURES AND CONTROLS Passenger Seat Seat Conversion 5. Lift the adjustment latch at the top of the passenger backrest. Raise the backrest to the desired position. Release the latch, making sure it locks into one of the three operating positions. Tip: The backrest must be moved out of the lowest ...

43 FEATURES AND CONTROLS Front Box/Compartment Release the front box anchor latches and remove the box assembly to gain access to the front compartment. To reinstall the box, hold the box as shown in the rack illustration. Position the front edge in the tabs, then push the box downward and secure th...

44 FEATURES AND CONTROLS Instrument Cluster NOTICE: High water pressure may damage ATV components. Wash the ATV by hand or with a garden hose using mild soap. Certain products, including insect repellents and chemicals, will damage the speedometer lens and other plastic surfaces. Do not use alcohol ...

45 FEATURES AND CONTROLS Instrument Cluster Digital/Analog Gauge Indicator Lamps Lamp Indicates Condition VehicleSpeed When standard mode is selected, speed displays in miles per hour. When metric mode is selected, speed displays in kilometers per hour. Over Temperature This lamp flashes to indicate...

46 FEATURES AND CONTROLS Instrument Cluster Digital/Analog Gauge Rider Information Center The rider information center is located in the instrument cluster. All segments will light up for one second at start-up. If the instrument cluster fails to illuminate, a battery over-voltage may have occurred ...

48 FEATURES AND CONTROLS Instrument Cluster Digital/Analog Gauge Rider Information Center The reverse override button acts as the MODE button when pressed and released quickly. The transmission cannot be in reverse when using the override button as a MODE button. This feature does not contain a vehi...

49 FEATURES AND CONTROLS Instrument Cluster Digital/Analog Gauge Rider Information Center Clock Mode Tip: The clock must be reset any time the battery has been disconnected or discharged. 1. Turn the key to the ON position. Use the MODE button to toggle to the odometer display. 2. Press and hold the...

50 FEATURES AND CONTROLS Instrument Cluster Digital/Analog Gauge Rider Information Center Programmable Service Interval When the hours of engine operation equal the programmed service interval setting, the wrench icon will flash for 5 seconds each time the engine is started. When this feature is ena...

52 FEATURES AND CONTROLS Instrument Cluster Diagnostic Display Code Definitions Open Load: There is a break in the wires that lead to the item listed in the chart (injector, fuel pump, etc.), or the item has failed. Short-to-Ground: The wire is shorted to ground between the electronic control unit a...

53 FEATURES AND CONTROLS Instrument Cluster Diagnostic Display Code Definitions *Assumes unipolar configuration of stepper motor Sportsman X2 550 EPS Diagnostic Codes Component Condition SPN FMI Throttle Position Sensor Voltage Too High 51 3 Voltage Too Low 51 4 Engine Temperature Sensor Voltage Too...

55 OPERATION Failure to operate the ATV properly can result in a collision, loss of control, accident or overturn, which may result in serious injury or death. Read and understand all safety warnings outlined in the safety section of this owner’s manual. Break-In Period The break-in period for your ...

56 OPERATION Pre-Ride Checklist Failure to inspect and verify that the ATV is in safe operating condition before operating increases the risk of an accident. Always inspect the ATV before each use to make sure it's in safe operating condition. Item Remarks Page Passenger seat lock-out Ensure proper ...

57 OPERATION Safe Operation Practices 1. Complete the recommended safety training before operating this vehicle. See page 7. 2. Do not allow anyone under 16 years of age to operate this vehicle. Do not allow anyone with cognitive or physical disabilities to operate this vehicle. 3. Engine exhaust fu...

58 OPERATION Know Your Riding Area/Tread Lightly Familiarize yourself with all laws and regulations concerning the operation of this off-road vehicle in your area. Respect the environment in which you ride. Find out where the designated riding areas are by contacting your POLARIS dealer, a local rid...

59 OPERATION Starting the Engine 1. Position the vehicle on a level surface outdoors or in a well- ventilated area. 2. Place the transmission in PARK. 3. Lock the parking brake. Tip: The starter interlock will prevent the engine from starting if the brake is not engaged. 4. Sit on the vehicle and mo...

60 OPERATION Driving Procedures 1. Wear protective riding gear. See page 8. 2. Perform the pre-ride inspection. See page 56. 3. Place the transmission in PARK. 4. Lock the parking brake. 5. Mount the vehicle from the left side. 6. Sit upright with both feet on the footrests and both hands on the han...

61 OPERATION Turning the Vehicle Both rear wheels drive equally at all times (except when operating in TURF mode). This means that the outside wheel must travel a greater distance than the inside wheel when turning, and the inside tire must slip traction slightly. 1. Slow down. 2. Never turn quickly...

62 OPERATION Driving with a Passenger 1. Never allow anyone under 12 years of age to ride as a passenger on this 2-up ATV. Make sure any passenger is tall enough to comfortably and safely reach the grab handles and footrests. 2. Do not carry a passenger until you have at least two hours of driving e...

63 OPERATION Driving with a Passenger 12. Do not cross a hillside with a passenger on board. See page 66. 13. A passenger should always be seated in the passenger seat with both feet on the footrests and both hands on the passenger grab handles at all times. The passenger should never hold on to the...

64 OPERATION Driving on Slippery Surfaces Whenever riding on slippery surfaces such as wet trails or loose gravel, or during freezing weather, follow these precautions: 1. Do not operate on excessively rough, slippery or loose terrain. 2. Slow down when entering slippery areas. 3. Engage 4X4 before ...

65 OPERATION Driving Uphill Braking and handling are greatly affected when operating in hilly terrain. Improper procedure could cause loss of control or overturn. Whenever traveling uphill, follow these precautions: 1. Never operate in TURF mode while operating on a hill or other irregular terrain. ...

66 OPERATION Driving on a Sidehill (Sidehilling) Driving on a sidehill is not recommended. Improper procedure could cause loss of control or overturn. Avoid crossing the side of any hill unless absolutely necessary. If crossing a sidehill is unavoidable , follow these precautions: 1. Slow down. 2. A...

67 OPERATION Driving Downhill When driving downhill, follow these precautions: 1. Always check the terrain carefully before descending a hill. 2. Never operate in TURF mode while operating on a hill or other irregular terrain. Always move the 4X4 switch to ADC 4X4 before ascending or descending a hi...

69 OPERATION Turning Around on a Hill (K-Turn) 1. Stop and lock the parking brake while keeping body weight uphill. 2. Never operate in TURF mode while operating on a hill or other irregular terrain. Always move the 4X4 switch to ADC 4X4 before ascending or descending a hill. See page 40. 3. Leave t...

70 OPERATION Driving Through Water Your ATV can operate through water with a maximum recommended depth equal to the bottom of the footrests. Follow these procedures when operating through water: 1. Determine water depths and current before entering water. 2. Choose a crossing where both banks have g...

71 OPERATION Driving Over Obstacles Follow these precautions when operating over obstacles: 1. Always check for obstacles before operating in a new area. 2. Look ahead and learn to read the terrain. Be constantly alert for hazards such as logs, rocks and low hanging branches. 3. Travel slowly and us...

72 OPERATION Driving in Reverse Follow these precautions when operating in reverse: 1. Always check for obstacles or people behind the vehicle. Be aware that a passenger can obstruct your view. 2. Always avoid backing downhill. 3. Back slowly. 4. Apply the brakes lightly for stopping. 5. Avoid turni...

73 OPERATION Parking on an Incline Avoid parking on an incline if possible. If it's unavoidable, follow these precautions: 1. Stop the engine. 2. Place the transmission in PARK. 3. Lock the parking brake. 4. Always block the rear wheels on the downhill side.

74 OPERATION Hauling Cargo Overloading the vehicle or carrying or towing cargo improperly can alter vehicle handling and may cause loss of control or brake instability. Always follow these precautions when hauling cargo:Never carry cargo in the rear box when operating the ATV in the 2-up mode with a...

76 OPERATION Hauling Cargo Towing Loads Always attach a towed load to the hitch point. Remove the hitch from the ATV when not towing a trailer. If towing a load, reduce rear box cargo weight by the amount of tongue weight. • The combination of rear box cargo weight and tongue weight must not exceed ...

77 OPERATION Hauling Cargo Dumping Cargo 1. Select a level site to dump the cargo box. Do not attempt to dump or unload the vehicle while parked on an incline. 2. Place the transmission in PARK. 3. Lock the parking brake. 4. Dismount the vehicle. 5. Lower the tailgate. WARNING! If cargo weight is pl...

78 WINCH GUIDE These safety warnings and instructions apply if your vehicle came equipped with a winch or if you choose to add an accessory winch to your vehicle. Improper winch use can result in SEVERE INJURY or DEATH. Always follow all winch instructions and warnings in this manual. Your winch may...

81 WINCH GUIDE Winch Operation Read the Winch Safety Precautions in the preceding pages before using your winch. Tip: Consider practicing the operation and use of your winch before you actually need to use it in the field. Improper winch use can result in SEVERE INJURY or DEATH. Always follow all wi...

82 WINCH GUIDE Winch Operation 4. Always use the hook strap when handling the hook. WARNING! Never put your fingers into the hook. This could lead to SEVERE INJURY. A. Attach the hook itself onto the load or use a tow strap or chain to secure the load to the winch cable. Tip: A “tow strap” is NOT in...

83 WINCH GUIDE Winch Operation 5. Never remove the hook strap from the hook. 6. Release the winch clutch and pull out the winch cable. 7. Pulling out as much cable as possible maximizes the winch’s pulling capacity. Always be sure that at least five (5) full turns of winch cable are wrapped around t...

84 WINCH GUIDE Winch Operation 11. The ONLY time a winch-equipped vehicle should be moving when using the winch is when that vehicle itself is stuck. The winch-equipped vehicle should NEVER be in motion to “shock” load the winch cable in an attempt to move a second stuck vehicle. See the Shock Loadi...

85 WINCH GUIDE Winch Operation 13. Extensive winching will run down the battery on the winching vehicle. Let the winching vehicle’s engine run while operating the winch to prevent the battery from running low if winching for long periods. 14. The winch motor may become hot during winch use. If you w...

86 WINCH GUIDE Winch Cable Care For your safety, always replace POLARIS winch parts (including the cable) with genuine POLARIS replacement parts available at your authorized POLARIS dealer. WARNING! Use of worn or damaged cable could lead to sudden failure and SEVERE INJURY. 1. Always inspect your w...

87 WINCH GUIDE Shock Loading WARNING! Your winch cable is very strong but it is NOT designed for dynamic, or “shock” loading. Shock loading may tension a winch cable beyond its strength and cause the cable to break. The end of a broken winch cable under such high loading can cause SEVERE INJURY or D...

88 WINCH GUIDE Shock Loading 4. Never use recovery straps with your winch. Recovery straps are designed to stretch and can store energy. This stored energy in the recovery strap is released if a winch cable fails making the event even more hazardous. Similarly, never use elastic “bungie” cords for w...

89 WINCH GUIDE Winch Maintenance and Service Safety WARNING! Improper or lack of winch maintenance and service could lead to SEVERE INJURY or DEATH. Always follow all winch instructions and warnings in this manual. 1. Always inspect your winch before each use. Inspect for worn or kinked winch cable....

90 EMISSION CONTROL SYSTEMS Noise Emission Control System Do not modify the engine, intake or exhaust components, as doing so may affect compliance with U.S.A. EPA noise control requirements (40 CFR 205) and local noise level requirements. Operation on Public Lands in the U.S.A. Your POLARIS vehicle...

91 MAINTENANCE Periodic Maintenance Chart Careful periodic maintenance will help keep your vehicle in safe, reliable condition. Inspect, clean, lubricate, adjust and replace parts as necessary. When inspection reveals the need for replacement parts, use genuine POLARIS parts available from your POLA...

92 MAINTENANCE Periodic Maintenance Chart Maintenance Chart Key WARNING! Improperly performing the procedures marked with a “D” could result in component failure and lead to serious injury or death. Have an authorized POLARIS dealer perform these services. Perform all services at whichever maintenan...

95 MAINTENANCE Lubrication Guide Check and lubricate all components at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. Items not listed in the chart should be lubricated at the General Lubrication interval. The a-arms and upper control arms are lubricated at the factor...

96 MAINTENANCE Engine Oil Oil Recommendations POLARIS recommends the use of POLARIS PS-4 Full Synthetic 5W-50 4-cycle oil or a similar oil for this engine. Oil may need to be changed more frequently if POLARIS oil is not used. Always use 5W-50 oil. Follow the manufacturer's recommendations for ambie...

97 MAINTENANCE Engine Oil Oil Level Check the oil level when the engine is cold. Never check the oil with the engine running. 1. Position the vehicle on a level surface. 2. Access the oil dipstick and fill tube from the left side of the ATV. Remove the dipstick. Wipe it dry with a clean cloth. 3. Re...

98 MAINTENANCE Engine Oil Oil and Filter Change See the table on page 95 for fluid recommendations, capacities and plug torques. Always change the oil and filter at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. Always change the oil filter whenever changing oil. 1. P...

100 MAINTENANCE Transmission Oil Always check and change the transmission oil at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. See the table on page 95 for fluid recommendations, capacities and plug torques. See page 147 for the part numbers of POLARIS products. Main...

101 MAINTENANCE Transmission Oil Oil Change 1. Remove the footwell. 2. Place a drain pan under the gearcase. Remove the drain plug. Allow the oil to drain completely. 3. Clean and reinstall the drain plug. Torque to specification. 4. Remove the fill plug. Add the proper amount of the recommended oil...

102 MAINTENANCE Front Gearcase (Demand Drive) Fluid Always check and change the demand drive fluid at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. See the table on page 95 for fluid recommendations, capacities and plug torques. NOTICE: Change the demand drive fluid ...

103 MAINTENANCE Front Gearcase (Demand Drive) Fluid Fluid Check 1. Position the vehicle on a level surface. Remove the fill plug. Check the fluid level. 2. Add the recommended fluid as needed to bring the level to the bottom of the fill hole threads. 3. Reinstall the fill plug. Torque to specificati...

104 MAINTENANCE Active Descent Control (ADC) Fluid Fluid Level Check and change the ADC fluid level at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. We recommend the use of POLARIS Demand Drive Fluid for the ADC unit. Maintain the fluid level between the minimum and ...

105 MAINTENANCE Active Descent Control (ADC) Fluid Fluid Change 1. Position the vehicle on a level surface. Before performing the fluid change, allow the vehicle to sit for at least 30 minutes. 2. Thoroughly clean the areas around and on the ADC reservoir and bleeder valves (one on each side of the ...

106 MAINTENANCE Rear Gearcase Oil Always check and change the rear gearcase oil at the intervals outlined in the Periodic Maintenance Chart beginning on page 91. See the table on page 95 for fluid recommendations, capacities and plug torques. See page 147 for the part numbers of POLARIS products. Th...

107 MAINTENANCE Rear Gearcase Oil Oil Change 1. Position the vehicle on a level surface. 2. Place a drain pan under the drain hole. 3. Remove the drain plug. Allow the oil to drain completely. 4. Clean and reinstall the drain plug with a new sealing washer. Torque to specification. 5. Remove the fil...

108 MAINTENANCE Cooling System The engine coolant level is controlled, or maintained, by the recovery system. The recovery system components are the recovery bottle, the radiator filler neck, the radiator pressure cap and the connecting hose. As coolant operating temperature increases, the expanding...

109 MAINTENANCE Cooling System Recovery Bottle Coolant The recovery bottle fluid level can be viewed from inside the front right wheel well. Access the recovery bottle cap under the front storage compartment. 1. View the fluid level in the bottle. 2. If the level is low, remove the front box. 3. Rem...

110 MAINTENANCE Cooling System Radiator Coolant To ensure that the coolant maintains its ability to protect the engine, POLARIS recommends that you drain the system completely every two years and add a fresh mixture of antifreeze and water. Replace the coolant any time the cooling system has been dr...

111 MAINTENANCE Brakes Hand Brake The front and rear brakes are hydraulic disc brakes, activated by moving the single brake lever toward the handlebar. These brakes are self-adjusting. Under normal operation, the diaphragm extends into the reservoir as fluid level drops. If the fluid level is low an...

112 MAINTENANCE Toe Alignment Use the following procedure to check the toe alignment of the vehicle. The recommended toe alignment is 1/4-1/2 inch (6-12 mm). WARNING! Severe injury or death can result from improper toe alignment and adjustment. Do not attempt to adjust tie rod alignment. All tie rod...

113 MAINTENANCE Seat Removal 1. Remove any cargo from the cargo box before removing the seat. 2. Stand beside the vehicle. Pull the cargo box release strap upward. Lift the front of the cargo box. 3. Grasp edge of the seat near the opposite rear corner. 4. Pull upward abruptly to disengage the under...

114 MAINTENANCE Tires Operating your ATV with worn tires, improperly inflated tires, non-standard tires or improperly installed tires will affect vehicle handling and could cause an accident resulting in serious injury or death. Always follow all tire maintenance procedures as outlined in this manua...

115 MAINTENANCE Tires Wheel Installation 1. Place the transmission in PARK. 2. Lock the parking brake. 3. Place the wheel on the hub with the valve stem toward the outside and rotation arrows on the tire pointing toward forward rotation (if equipped). 4. Install the wheel nuts and finger-tighten the...

116 MAINTENANCE Air Filter 1. Remove the seat. See page 113. 2. Remove the air box cover strap, and remove the air box cover. 3. Remove the filter. 4. Remove the fabric type pre- filter from the main filter. Wash the pre-filter in soapy water, then rinse and let dry. 5. Reinstall the pre-filter over...

117 MAINTENANCE Fuse Replacement If the engine stops or will not start, or if you experience other electrical failures, a fuse may need replacement. Locate and correct any short circuits that may have caused the blown fuse, then replace the fuse. Spare fuses are provided in the fuse box. 1. Remove t...

118 MAINTENANCE Lights Poor lighting can result in reduced visibility when driving. Headlight and taillight lenses become dirty during normal operation. Clean lights frequently and replace burned out lamps promptly. Always make sure lights are adjusted properly for best visibility. Headlight Lamp Re...

119 MAINTENANCE Lights High Beam Adjustment The headlight beam can be adjusted slightly upward or downward. Use the following procedure to make the adjustment. 1. Position the vehicle on a level surface with the headlight approximately 25 ft. (7.6 m) from a wall. Place the transmission in PARK. 2. M...

120 MAINTENANCE Lights Low Beam Adjustment The low beam can be adjusted slightly upward or downward. 1. Loosen the phillips screw located at the rear of the headlamp. 2. Tilt the headlamp upward or downward. 3. Tighten the screw. Headlight Housing Replacement 1. Remove the five (5) headlight pod scr...

121 MAINTENANCE Lights Lower Headlamp Replacement 1. Turn the back of the headlight harness counter-clockwise and pull the harness assembly away from the headlight assembly. 2. Remove the headlamp and install the new headlamp. 3. Reinstall the harness assembly into the headlight assembly. 4. Turn th...

122 MAINTENANCE Spark Plugs Spark Plug Recommendations Refer to the specifications section beginning on page 148 for the recommended spark plug type and gap for your vehicle. Torque spark plugs to specification. NOTICE: Using non-recommended spark plugs can result in serious engine damage. Always us...

123 MAINTENANCE Spark Plugs Spark Plug Inspection Normal Spark Plug The normal insulator tip is gray, tan or light brown. There will be few combustion deposits. The electrodes are not burned or eroded. This indicates the proper type and heat range for the engine and the service. The tip should not b...

124 MAINTENANCE Vehicle Immersion If your vehicle becomes immersed, major engine damage can result if the machine is not thoroughly inspected. Take the vehicle to your dealer before starting the engine. If it's impossible to take your ATV to a dealer before starting it, follow the steps outlined bel...

125 MAINTENANCE Spark Arrester Failure to heed the following warnings while servicing the spark arrester could result in serious injury or death. Never run the engine in an enclosed area. Remove any combustible materials from the area. Wear eye protection and leather work gloves. Do not stand behind...

126 MAINTENANCE PVT System Failure to comply with the instructions in this warning can result in severe injury or death.Do not modify any component of the PVT system. Doing so may reduce its strength so that a failure may occur at a high speed. The PVT system has been precision balanced. Any modific...

128 MAINTENANCE PVT System When To Use Low Range and High Range The air temperature in the clutch cover is substantially reduced by using low range while operating at low ground speeds. Reducing the temperature inside the clutch cover greatly extends the life of the PVT components (belt, cover, etc....

129 MAINTENANCE Battery Improperly connecting or disconnecting battery cables can result in an explosion and cause serious injury or death. When removing the battery, always disconnect the negative (black) cable first. When reinstalling the battery, always connect the negative (black) cable last. Yo...

130 MAINTENANCE Battery Battery Installation Using a new battery that has not been fully charged can damage the battery and result in a shorter life. It can also hinder vehicle performance. Follow the battery charging instructions on page 132 before installing the battery. If your factory-installed ...

131 MAINTENANCE Battery Battery Storage Whenever the vehicle is not used for a period of three months or more, remove the battery from the vehicle, ensure that it's fully charged, and store it out of the sun in a cool, dry place. Check battery voltage each month during storage and recharge as needed...

132 MAINTENANCE Battery Battery Charging The following battery charging instructions apply only to the installation of a sealed battery. Read all instructions before proceeding with the installation of this battery. The sealed battery is already filled with electrolyte and has been sealed and fully ...

133 MAINTENANCE Battery Battery Charging Always verify battery condition before and 1-2 hours after the end of charging. State of Charge Voltage Action Charge Time (Using constant current charger @ standard amps specified on top of battery) 100% 12.8-13.0 volts None, check at 3 mos. from date of man...

134 MAINTENANCE Throttle Body/Idle RPM Idle RPM is preset by the manufacturer. If the engine idle speed is not satisfactory, please see your POLARIS dealer for adjustment. Throttle Cable Freeplay 1. Remove the four cover screws from the right handlebar control and remove the cover. 2. With the handl...

135 MAINTENANCE Throttle Cable Freeplay 4. Place the transmission in PARK. Lock the parking brake. 5. Start the engine and allow the idle to stabilize. If necessary, tap the throttle lever to ensure the idle speed settles. 6. If idle speed remains above or below the recommended setting (see specific...

136 MAINTENANCE Handlebars The handlebars can be adjusted for rider preference. WARNING! Improper adjustment of the handlebars or incorrect torquing of the adjuster block tightening bolts can cause limited steering or loosening of the handlebars, resulting in loss of control and serious injury or de...

137 MAINTENANCE Camber and Caster The camber and caster are non-adjustable. Front and Rear Springs The front and rear shock absorber springs are adjusted by rotating the adjuster either clockwise or counter-clockwise to increase or decrease spring tension. Accessory springs are available through you...

138 MAINTENANCE Transporting the ATV Follow these procedures when transporting the vehicle. 1. Stop the engine. 2. Place the transmission in PARK. 3. Lock the parking brake. 4. Always secure the seat in the 1-up position to prevent loss during transporting. 5. Secure the fuel cap and oil cap. 6. Alw...

139 MAINTENANCE Cleaning and Storage Washing the Vehicle Keeping your POLARIS vehicle clean will not only improve its appearance but it can also extend the life of various components. NOTICE: High water pressure may damage components. POLARIS recommends washing the vehicle by hand or with a garden h...

140 MAINTENANCE Cleaning and Storage Washing the Vehicle If a high pressure water system is used for cleaning (not recommended), exercise extreme caution. The water may damage components and could remove paint and labels. Avoid directing the water stream at the following items: If an informational o...

141 MAINTENANCE Cleaning and Storage Storage Tips NOTICE: Starting the engine during the storage period will disturb the protective film created by fogging and damage could occur. Never start the engine during the storage period. Clean the Exterior Make any necessary repairs and clean the vehicle as...

142 MAINTENANCE Cleaning and Storage Storage Tips Fog the Engine 1. After stabilizing the fuel, remove the spark plugs and add 2-3 tablespoons of engine oil. To access the plug holes, use a section of clear 1/4" hose and a small plastic squeeze bottle filled with the pre-measured amount of oil. ...

143 TROUBLESHOOTING Drive Belt Wear/Burn Possible Cause Solution Driving onto a pickup or tall trailer in high range Use low range during loading. Starting out going up a steep incline Use low range or turn around using the K-turn (see page 68). Driving at low RPM or ground speed (3-7 MPH) Drive at ...

144 TROUBLESHOOTING Engine Doesn't Turn Over Engine Turns Over, Fails to Start Engine Backfires Possible Cause Solution Low battery voltage Recharge the battery to 12.8 VDC Loose battery connections Check all connections and tighten Loose solenoid connections Check all connections and tighten Possib...

145 TROUBLESHOOTING Engine Pings or Knocks Engine Runs Irregularly, Stalls or Misfires Possible Cause Solution Poor quality or low octane fuel Replace with recommended fuel Incorrect ignition timing See your dealer Incorrect spark plug gap or heat range Set gap to specs or replace plugs Possible Cau...

146 TROUBLESHOOTING Engine Stops or Loses Power Engine Overheating Possible Cause Solution Out of fuel Refuel, cycle key to ON position three times for 5 seconds each, then start Kinked or plugged fuel vent line Inspect and replace Water is present in fuel Replace with new fuel Fouled or defective s...

147 POLARIS PRODUCTS Part Number Description Engine Lubricant 2870791 Fogging Oil (12 oz. Aerosol) 2876244 PS-4 Full Synthetic 5W-50 4-Cycle Oil (qt./.95 l) 2876245 PS-4 Full Synthetic 5W-50 4-Cycle Oil (gal./3.8 l) 2878920 PS-4 Extreme Duty Synthetic 10W-50 4-Cycle Oil (qt./.95 l) 2878919 PS-4 Extr...

148 SPECIFICATIONS * Based on EU Directive 76/432/EC Sportsman X2 550 EPS Maximum Weight Capacity 735 lbs. (333 kg) (includes operator, passenger, cargo, accessories) Dry Weight 813 lbs. (368.8 kg) Fuel Capacity 5.25 gal. (20 l) Engine Oil Capacity 2 qts. (1.9 l) Coolant Capacity 2 qts. (1.9 l) Tran...

149 SPECIFICATIONS Clutching *EBS models require no helix/spring adjustment Sportsman X2 550 EPS Transmission H/L/N/R/P Gear Reduction, Low 5.034:1 Gear Reduction, Reverse 4.508:1 Gear Reduction, High 2.693:1 Drive Ratio, Front 3.818:1 Tires/Pressure, Front Maxxis AT 26 x 8 - 14 / 7 psi (48.3 kPa) T...

150 WARRANTY LIMITED WARRANTY POLARIS Sales Inc., 2100 Highway 55, Medina, MN 55340 (POLARIS) gives a SIX MONTH LIMITED WARRANTY on all components of your POLARIS vehicle against defects in material or workmanship. POLARIS further warrants that the spark arrestor in this product will meet the effici...

151 WARRANTY LIMITATIONS OF WARRANTIES AND REMEDIES This warranty excludes damages or failures caused by abuse, accident, fire, or any other cause other than a defect in materials or workmanship and provides no coverage for consumable components, general wear items, or any parts exposed to friction ...

153 WARRANTY HOW TO OBTAIN WARRANTY SERVICE If your vehicle requires warranty service, you must take it to a POLARIS Servicing Dealer. When requesting warranty service you must present your copy of the Warranty Registration From to the dealer. (THE COST OF TRANSPORTATION TO AND FROM THE DEALER IS YO...

154 WARRANTY EXPORTED PRODUCTS EXCEPT WHERE SPECIFICALLY REQUIRED BY LAW, THERE IS NO WARRANTY OR SERVICE BULLETIN COVERAGE ON THIS PRODUCT IF IT IS SOLD OUTSIDE THE COUNTRY OF THE SELLING DEALER’S AUTHORIZED LOCATION. This policy does not apply to products that have received authorization for expor...

157 WARRANTY U.S.A. EPA Emissions Limited Warranty Owners are responsible for performing the scheduled maintenance identified in the owner's manual. POLARIS may deny warranty claims for failures that have been caused by the owner’s or operator’s improper maintenance or use, by accidents for which PO...

158 MAINTENANCE LOG Present this section of your manual to your dealer each time your vehicle is serviced. This will provide you and future owners with an accurate log of maintenance and services performed. DATE MILES (KM) OR HOURS TECHNICIAN SERVICE PERFORMED / COMMENTS

160 INDEX 0-9 4X4 Switch . . . . . . . . . . . . . . . . . . . 29 A Accessories . . . . . . . . . . . . . . . . . . 138Active Descent Control Fluid . 104-105Active Descent Control System . . . . 40ADC System . . . . . . . . . . . . . . . . . . 40Air Filter . . . . . . . . . . . . . . . . . . . . 116...

Improper vehicle use can result in SEVERE INJURY or DEATH. READ OWNER'S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. ALWAYS USE AN APPROVED HELMET AND PROTECTIVE GEAR FOR DRIVER AND PASSENGER NEVER USE ON PUBLIC ROADS NEVER CARRY MORE THAN 1 PASSENGER NEVER USE WITH DRUGS OR ALCOHOL without proper ...