General Information - Yamaha YZ125 2015 Owner's Service Manual

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 ...................... 1-11
TORQUE-CHECK
POINTS........................... 1-13
MAINTENANCE AFTER
BREAK-IN ...................... 1-14
CLEANING AND
STORAGE ...................... 1-14
CHAPTER 2
SPECIFICATIONS
GENERAL
SPECIFICATIONS............ 2-1
MAINTENANCE
SPECIFICATIONS............ 2-3
TIGHTENING
TORQUES ........................ 2-8
CABLE ROUTING
DIAGRAM....................... 2-14
CONTENTS
CHAPTER 3
REGULAR
INSPECTION AND
ADJUSTMENTS
MAINTENANCE
INTERVALS...................... 3-1
PRE-OPERATION
INSPECTION AND
MAINTENANCE................ 3-5
ENGINE ............................ 3-6
CHASSIS ........................ 3-10
ELECTRICAL ................. 3-20
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,
CYLINDER 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 ....................5-32
REAR SHOCK
ABSORBER....................5-37
CHAPTER 6
ELECTRICAL
ELECTRICAL
COMPONENTS AND
WIRING DIAGRAM ...........6-1
IGNITION SYSTEM...........6-2
CHAPTER 7
TUNING
ENGINE.............................7-1
CHASSIS ..........................7-6