Yamaha YZ250R Service Manual

Contents

CHAPTER 4ENGINESEAT, FUEL TANK AND SIDECOVERS .....................................................4-1EXHAUST PIPE AND SILENCER ..............4-3RADIATOR..................................................4-4CARBURETOR AND REED VALVE...........4-7CYLINDER HEAD , CYLINDER ANDPISTON .....................................................4-18CLUTCH AND PRIMARY DRIVENGEAR .......................................................4-33KICK AXLE, SHIFT SHAFT ANDPRIMARY DRIVE GEAR...........................4-40YPVS GOVERNOR ...................................4-49WATER PUMP ..........................................4-52CDI MAGNETO .........................................4-56ENGINE REMOVAL ..................................4-60CRANKCASE AND CRANKSHAFT.........4-65TRANSMISSION, SHIFT CAM ANDSHIFT FORK .............................................4-72CHAPTER 5CHASSISFRONT WHEEL AND REAR WHEEL ........5-1FRONT BRAKE AND REAR BRAKE.......5-10FRONT FORK ...........................................5-26HANDLEBAR............................................5-39STEERING ................................................5-46SWINGARM ..............................................5-51REAR SHOCK ABSORBER.....................5-59