Yamaha YZ125 2009 Owner's Service Manual page 13

CHAPTER 4
ENGINE
SEAT, FUEL TANK AND SIDE COVERS . 4-2
EXHAUST PIPE AND SILENCER ............. 4-4
RADIATOR................................................. 4-6
CARBURETOR AND REED VALVE ......... 4-9
CYLINDER HEAD, CYLINDER AND
PISTON .................................................... 4-17
CLUTCH ................................................... 4-28
KICK SHAFT AND SHIFT SHAFT........... 4-34
YPVS GOVERNOR .................................. 4-42
WATER PUMP ......................................... 4-45
CDI MAGNETO ........................................ 4-48
ENGINE REMOVAL ................................. 4-51
CRANKCASE AND CRANKSHAFT ........ 4-55
TRANSMISSION, SHIFT CAM AND
SHIFT FORK ............................................ 4-62
CHAPTER 5
CHASSIS
FRONT WHEEL AND REAR WHEEL ....... 5-2
FRONT BRAKE AND REAR BRAKE........ 5-9
FRONT FORK .......................................... 5-23
HANDLEBAR ........................................... 5-36
STEERING ............................................... 5-43
SWINGARM ............................................. 5-48
REAR SHOCK ABSORBER .................... 5-55