Yamaha WR250FM CHAPTER 4 ENGINE, CHAPTER 5 CHASSIS

CHAPTER 4
ENGINE
SEAT, FUEL TANK AND
SIDE COVERS .......................................... 4-1
EXHAUST PIPE AND SILENCER ............4-3
RADIATOR ................................................ 4-5
CARBURETOR ......................................... 4-8
CAMSHAFTS .......................................... 4-22
CYLINDER HEAD ................................... 4-31
VALVES AND VALVE SPRINGS ...........4-34
CYLINDER AND PISTON ....................... 4-43
CLUTCH .................................................. 4-50
OIL FILTER ELEMENT, WATER PUMP
AND RIGHT CRANKCASE COVER ...... 4-57
BALANCER ............................................ 4-64
OIL PUMP ............................................... 4-67
KICK SHAFT AND SHIFT SHAFT .......... 4-72
AC MAGNETO AND
STARTER CLUTCH ................................ 4-79
ENGINE REMOVAL ................................ 4-86
CRANKCASE AND CRANKSHAFT ....... 4-92
TRANSMISSION, SHIFT CAM AND
SHIFT FORK ......................................... 4-101
CHAPTER 5
CHASSIS
FRONT WHEEL AND REAR WHEEL ......5-1
FRONT BRAKE AND REAR BRAKE ..... 5-11
FRONT FORK ......................................... 5-27
HANDLEBAR .......................................... 5-40
STEERING .............................................. 5-46
SWINGARM ............................................ 5-53
REAR SHOCK ABSORBER ................... 5-61