Yamaha YZ125(D), Owner'S Service Manual

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CONTENTS
CHAPTER 1
GENERAL
INFORMATION
LOCATION OF IMPORTANT
LABELS............................ 1-1
DESCRIPTION ................. 1-5
CONSUMER
INFORMATION................. 1-6
INCLUDED PARTS .......... 1-6
IMPORTANT
INFORMATION................. 1-6
CHECKING OF
CONNECTION.................. 1-7
SPECIAL TOOLS ............. 1-8
CONTROL
FUNCTIONS ................... 1-11
STARTING AND
BREAK-IN ...................... 1-12
TORQUE-CHECK
POINTS........................... 1-13
CLEANING AND
STORAGE ...................... 1-14
CHAPTER 2
SPECIFICATIONS
GENERAL
SPECIFICATIONS............ 2-1
MAINTENANCE
SPECIFICATIONS............ 2-2
TIGHTENING TORQUES . 2-7
CABLE ROUTING
DIAGRAM....................... 2-13
CHAPTER 3
REGULAR INSPEC-
TION AND AD-
JUSTMENTS
MAINTENANCE
INTERVALS......................3-1
PRE-OPERATION
INSPECTION AND
MAINTENANCE................3-5
ENGINE ............................3-6
CHASSIS ..........................3-9
ELECTRICAL .................3-19
CHAPTER 4
ENGINE
SEAT, FUEL TANK AND
SIDE COVERS..................4-1
EXHAUST PIPE AND
SILENCER ........................4-3
RADIATOR .......................4-5
CARBURETOR AND
REED VALVE ...................4-7
CYLINDER HEAD, CYLIN-
DER AND PISTON .........4-12
CLUTCH .........................4-19
KICK SHAFT AND
SHIFT SHAFT.................4-23
YPVS GOVERNOR.........4-28
WATER PUMP................4-30
CDI MAGNETO...............4-33
ENGINE REMOVAL .......4-35
CRANKCASE AND
CRANKSHAFT ...............4-39
TRANSMISSION, SHIFT
CAM AND SHIFT FORK.4-44
CHAPTER 5
CHASSIS
FRONT WHEEL AND REAR
WHEEL .............................5-1
FRONT BRAKE AND
REAR BRAKE ..................5-6
FRONT FORK.................5-16
HANDLEBAR..................5-24
STEERING ......................5-29
SWINGARM ....................5-33
REAR SHOCK
ABSORBER....................5-38
CHAPTER 6
ELECTRICAL
ELECTRICAL COMPO-
NENTS AND WIRING DIA-
GRAM ...............................6-2
IGNITION SYSTEM...........6-3
CHAPTER 7
TUNING
ENGINE.............................7-1
CHASSIS ..........................7-6