Yamaha yz250 2015, Owner'S 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 ...................... 1-11
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
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...........................4-13
CLUTCH .........................4-21
KICK SHAFT AND
SHIFT SHAFT.................4-25
YPVS GOVERNOR.........4-31
WATER PUMP................4-33
CDI MAGNETO...............4-36
ENGINE REMOVAL .......4-38
CRANKCASE AND
CRANKSHAFT ...............4-42
TRANSMISSION,
SHIFT CAM AND
SHIFT FORK...................4-47
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
SOLENOID VALVE
SYSTEM............................6-5
THROTTLE POSITION
SENSOR SYSTEM ...........6-7
CHAPTER 7
TUNING
ENGINE.............................7-1
CHASSIS ..........................7-6