Yamaha YBR 125K- Manuals

VII TWO-WHEELED MACHINES ARE SINGLE TRACK VEHICLES. THEIR SAFE USE AND OPERATION ARE DEPENDENTUPON THE USE OF PROPER RIDING TECHNIQUES AS WELL AS THE EXPERTISE OF THE OPERATOR. EVERY OPERATOR SHOULD KNOW THE FOLLOWING REQUIREMENTS BEFORE RIDING. HE OR SHE SHOULD. 1. OBTAIN THOROUGH INSTRUCTIONS FORM...

IX ACCESSORIES AND LOADING Adding accessories or cargo to your machine can adversely affect stability and handling if the weight distribution of the machineis changed. To avoid the possibility of an accident, extreme caution should be used if adding cargo or accessories to yourmachine.Use extra care...

CONTENTS DESCRIPTION ............................................................. 1-1 MACHINE IDENTIFICATION ....................................... 2-1 Vehicle identification number ................................. 2-1Engine serial number ............................................ 2-1 CONTROL F...

PERIODIC MAINTENANCE AND MINOR REPAIRS ..... 6-1 Tool kit ..................................................................... 6-2PERIODIC MAINTENANCE/LUBRICATION ......... 6-3Torque specifications ............................................. 6-5Engine oil ............................................

2-1 Vehicle identification number The vehicle identification number is stamped into the steering head pipe.Record this number in the space provided. 1. Frame number 2. Production year Engine serial number The engine serial number is stamped on right-hand engine crankcase. 1. Engine serial number NOT...

3-1 CONTROL FUNCTIONS Main switch The main switch controls the ignition and the electrical system. Itís operation is described below. ON: Electrical circuits are switched on. Engine can be started. The key cannot be removed. OFF: All electrical circuits are switched off. The key can be removed. LOCK...

Fuel gauge Speedometer 3-3 The fuel gauge indicates the quantity of the remaininggasoline in the tank. The gauge needle moves from ìFî(Full) to ìEî (Empty) as the fuel level decreases. When theneedle reaches the ìRED ZONEî, refill the tank at theearliest opportunity. NOTE: The fuel meter needle does...

Handlebar switches over left 1. Light switch 2. Pass switch 3. Dimmer switch 4. Turn signal switch 5. Horn switch 3-4 LIGHTS SWITCH Turning the light switch to ì ì, turns on the meter lights,headlight and tail-lights. PASS SWITCH " " Press the switch to operate the passing light. Dimmer swit...

Handlebar switches over rigt 1. ìENGINE STOPî switch, shuts the engine off 3-5 “ENGINE STOP” switch The engine stop switch is a safety device for use in an emergency such as when the motorcycle overturns or if trouble occurs in the throttle system. Turn the switch to ì î to start the engine, and tur...

6-6 1. Engine oil filler cap 1. Maximum mark 2.Minimum mark Engine oil1. Oil level measurement a. Place the motorcycle on a level place and hold it in an upright position. Warm up the engine for several minutes. NOTE: Be sure the motorcycle is positioned straight up when checking the oil level. A sl...

NOTE: A diagnostic tachometer must be used for this procedure. 1. Attach the tachometer. Start the engine and warm it up for a few minutes (normally, 1 or 2 minutes) atapproximately 1,000 to 2,000 r/min. Occasionally revthe engine to 4,000 to 5,000 r/min. The engine is warmwhen it quickly responds t...

6-21 Drive chain lubrication The chain consists of many parts which work with eachother. If the chain is not maintained properly, it will wear outquickly. Therefore, the chain must be serviced regularly.This service is especially necessary when riding in dustyareas. 1. U s e Ya m a h a C h a i n a n...

6-25 BATTERY BREATHER HOSE ROUTING YAMAHA Battery Check the level of the battery electrolyte and make surethat the terminals are tight. Add distilled water if theelectrolyte level is low. 1. When inspecting the battery, make sure that thebattery breather pipe routing is correct. If thebreather pipe ...

6-30 Turn signal bulb replacement 1. Remove the screws and the lens.2. Push the bulb inward and turn it counterclockwise.3. Place a new bulb in the socket.4. Install the lens and the screws. Do not over-tighten the screws as the lens may break. Taillight bulb replacement 1. Remove the lens.2. Push t...

6-32 Front wheel installation When installing the front wheel, reverse the removalprocedures.Pay attention to the following points: 2. Make sure the slot in the brake shoe plate fits over the stopper on the front fork outer tube. 3. Make sure the axle nut is properly torqued. Axle nut torque: 45 N.m...

6-33 3. Remove the brake adjusting nut and brake rod from the brake cam lever. 4. Remove the axle nut and axle.5. Remove the wheel assembly. 1. Adjusting Nut 2. Brake Rod 3. Axle Nut Rear wheel installation When installing the rear wheel, reverse the removalprocedures. Pay attention to the following...