Yamaha wr450f - Manuals

5 Fine-tuning the bike Learning how to use the adjusters will take timebut you quickly appreciate them once you knowthe tricks. Even the specialists sometimes needa specialist! With the adjusters you optimize the suspen- sion for your riding style and the track you arecompeting on. The same basic gu...

6 5 0 0 4 5 0 4 0 0 3 5 0 3 0 0 2 5 0 2 0 0 1 5 0 1 0 0 5 0 0 Force kgf Stroke mm 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 Oil level 100 mm Oil level 110 mm Oil level 120 mm Oil level 130 mm In general, compression damping changes shouldbe used to influence the bike’s stability and re-sponse, while rebound dam...

9 Changing springs 6 Follow instructions 1-4 on previous page andremove the spring. Do not install the springsupport spacer. 7 NOTE! Closing the compression and the rebound valveswill keep the damper rod extended making iteasier to install the new spring. Check the oil level according to page 6 and ...

12 Assembling 16 Apply a thin layer of Öhlins red grease (146-01)on the scraper ring and on the sealing surface ofthe fork seal. CAUTION! When installing the oil seal and bushing use a smallplastic bag to cover the bushing attachmentgroove and edges of the inner tube, to avoiddamage to the seals. Mo...

14 Technical specifications Fork length and stroke Length (L): 938 mm Stroke: 300 mm Rebound and compression adjustment Refer to mounting instruction for set-up data.Maximum open rebound and compression valve:20 clicks. Free Spring Length: 467 mm (service limit 460 mm). Spring preload: Maximum allow...

15 Spare parts Pos. Part No. Pcs. Description Type/remarks 1:2 02400-01 2 Bump rubber 1:3 02403-01 2 Washer 1:4 02436-04 2 Spring support 4 mm Standard 02436-08 Spring support 8 mm Optional 1:5 02428-41 1 Spring 4.1 N/mm Standard 02428-43 Spring 4.3 N/mm Optional 02428-45 1 Spring 4.5 N/mm Standard ...

18 General handling set-up Front suspension. Front fork travel is not used to its fullcapacity. Harsh feeling, front wheel grip isnot satisfactory in bumpy turns. Suspension too hard. • Decrease the front fork compression damping. • Change to softer springs. Suspension bottoming, too soft duringenti...

19 Maintenance Telescopic front forks depend on a smooth, frictionfree action.Make sure your forks are regularly serviced. Do not use strong solvents, such as brake cleaner, to clean the front forks. This will dry outthe seals and the steel tubes and cause frictionor leakage. After every race Clean ...

20 07295-23, Issued 05 01 28. T eknisk Illustration. 1500 ex. Öhlins Racing AB, Box 722, S-194 27 Upplands Väsby, Sweden Phone +46 8 590 025 00, Fax +46 8 590 025 80 Your Öhlins dealer: More info www.ohlins.com

Course Title Click the Next button to continue. WR450F Crankshaft & balancer shaft Crankshaft benefits: 1. Excellent durability & reliability. This is a proven engine design 2. Reduced vibration (especially in the handlebars) The WR450F utilizes a roller bearing style crankshaft with an engi...

Course Title Click the Next button to continue. WR450F 5-speed wide ratio transmission The WR450F features a wide ratio 5-speed transmission and multi -plate wet clutch. 5- speed transmission benefits: 1. Good acceleration and top end speed 2. Excellent versatility (hare scrambles, super moto, ice r...

Course Title Click the Next button to continue. WR450F Throttle body fuel injection Fuel injection benefits: 1. Automatically provides optimum fuel / air ratio regardless of altitude and temperature … with no manual re-jetting required 2. Improved throttle response and a more linear throttle control...

Course Title Click the Next button to continue. WR450F Cooling System Cooling system benefits: 1. Excellent cooling 2. Improved protection in the event of a crash The design of the rad is new and the capacity has been increased by 5%. The rads feature wider cores and improved shock resistance. Total...

Course Title Click the Next button to continue. WR450F Exhaust System Exhaust system benefits: 1. Resonator chamber improves low to mid range power 2. Spark arrestor prevents stray sparks from exiting the exhaust system 3. Light weight design reduces weight The stainless steel exhaust “header” featu...

Course Title Click the Next button to continue. WR450F - 4 - DOHC, 5-valve (titanium) head Newly designed crankshaft Engine counterbalancer Engine counter balancer Wide ratio 5-speed transmission Electric start Keihin 42mm throttle body Enduro focused camshafts Straight shot intake & dual stage ...

Course Title Click the Next button to continue. WR450F Competition kit ECU & Power Tuner IMPORTANT WARNING: The WR450F is classified as a “restricted use motorcycle” in Canada and as a result, must conform to Environment Canada / US EPA emission standards for “restricted use motorcycles.” It is ...

Course Title Click the Next button to continue. YZ450F Special Tuning Feature FI Power Tuner benefits: 1. Allows rider or tuner to “tailor “ engine characteristics to suit track, track conditions, and rider skill level 2. Easy to connect to the machine … plug in “port” in front of fuel tank 3. Easy ...

Course Title Yamaha engineers identified mass centralization as one of the keys to great handling. The WR450F features a “Bilateral Beam” compact aluminum frame based on the YZ250F. Mass centralization places the mass (or weight) in the best location. On a motorcycle it is in the centre of the machi...

Course Title “Bilateral Beam” compact aluminum frame: • Frame design allows for excellent mass centralization • fuel tank sits inside the main frame rails … centralizing mass • Frame offers outstanding shock absorbing qualities • Frame consists of forged and extruded aluminum parts • Unique double S...

Course Title Click the Next button to continue. WR450F Front suspension The 2012 model year and onwards the WR450F features Yamaha’s latest MX fork technology … the twin chamber “Speed Sensitive System” (SSS), 48mm, adjustable, inverted fork. Without getting into too much detail, the damping force i...

Course Title Click the Next button to continue. YZ450F Brake benefits: 1. Excellent braking performance 2. Good lever feel and feedback to the rider 3. Wave style rotors reduce weight and dissipate heat better than a conventional round disc (more surface area) The WR450F utilizes a floating 250mm fr...

Course Title Click the Next button to continue. WR450F Instrumentation The WR450F features a compact, lightweight instrument assembly. It features 2 different modes: 1) Basic mode : speedometer, clock, dual tripmeters, and clock 2) Race mode : timer (accumulates time from zero … counts upwards, Trip...

Course Title The slim design 7.2 litre plastic resin fuel tank sits down between the top frame rails and extends underneath the seat, toward the machine's center point. An electric fuel pump is located inside the tank. Click the Next button to continue. WR450F Fuel tank location - benefits: 1. Centr...

Course Title All new compact slim / flat design body work: • front & rear fenders • rad shrouds • fuel tank • side panels & front number plate & headlight • seat Click the Next button to continue. WR450F Benefits of new body work: 1. Fast & easy rider movements 2. Flat design a llows...

Course Title The “EXTRAS” • ProTaper handlebars • Adj. handlebars (+10mm … eccentric holders) • Extra wide footpegs • Dual stage washable air filter • Excel rims (F&R) • Tapered wheel spacers (easy wheel installation) • Skid plate • Sealed low maintenance battery • Chain guide • Premium Dunlop t...

Course Title Click the Next button to continue. WR450F Fully adj. KYB piggyback shock Skid plate 245mm wave disc / 1 piston caliper LED rear taillight Slim / minimal bodywork 48mm adj. Kayaba SSS fork 250mm wave disc / 2 piston caliper Bilateral Beam AL frame 18” rear wheel Detachable rear sub frame...