General Information - Yamaha WR450F(Y) 2009 Owner's Service Manual

CHAPTER 1
GENERAL INFOR-
MATION
DESCRIPTION ................. 1-1
MACHINE
IDENTIFICATION ............. 1-2
INCLUDED PARTS .......... 1-2
IMPORTANT
INFORMATION................. 1-2
CHECKING OF
CONNECTION.................. 1-3
SPECIAL TOOLS ............. 1-4
CONTROL FUNCTIONS .. 1-8
MULTI-FUNCTION
DISPLAY .......................... 1-9
STARTING AND
BREAK-IN ...................... 1-14
TORQUE-CHECK
POINTS........................... 1-16
CLEANING AND
STORAGE ...................... 1-17
CHAPTER 2
SPECIFICATIONS
GENERAL
SPECIFICATIONS............ 2-1
MAINTENANCE
SPECIFICATIONS............ 2-3
TIGHTENING TORQUES ..2-12
LUBRICATION
DIAGRAMS .................... 2-18
CABLE ROUTING
DIAGRAM....................... 2-20
CONTENTS
CHAPTER 3
REGULAR INSPEC-
TION AND AD-
JUSTMENTS
PERIODIC MAINTENANCE
CHART FOR THE EMISSION
CONTROL SYSTEM
(For Canada) .................... 3-1
GENERAL MAINTENANCE
AND LUBRICATION CHART
(For Canada) .................... 3-2
MAINTENANCE
INTERVALS FOR
COMPETITION USE......... 3-3
PRE-OPERATION
INSPECTION AND
MAINTENANCE................ 3-7
ENGINE ............................ 3-8
CHASSIS ........................ 3-19
ELECTRICAL ................. 3-29
CHAPTER 4
TUNING
ENGINE
(Except for Canada) ........ 4-1
CHASSIS .......................... 4-5
CHAPTER 5
ENGINE
RADIATOR ....................... 5-1
CARBURETOR................. 5-4
AIR INDICTOIN
SYSTEM ......................... 5-13
CAMSHAFTS.................. 5-15
CYLINDER HEAD........... 5-20
VALVES AND VALVE
SPRINGS ........................ 5-23
CYLINDER AND
PISTON........................... 5-27
CLUTCH ......................... 5-30
OIL FILTER ELEMENT
AND WATER PUMP .......5-34
BALANCER ....................5-38
OIL PUMP .......................5-40
KICK SHAFT AND
SHIFT SHAFT .................5-43
AC MAGNETO AND
STARTER CLUTCH........5-48
ENGINE REMOVAL........5-53
CRANKCASE AND
CRANKSHAFT ...............5-57
TRANSMISSION, SHIFT
CAM AND SHIFT FORK.5-63
CHAPTER 6
CHASSIS
FRONT WHEEL AND
REAR WHEEL ..................6-1
FRONT BRAKE AND
REAR BRAKE ..................6-6
FRONT FORK.................6-16
HANDLEBAR..................6-23
STEERING ......................6-27
SWINGARM ....................6-31
REAR SHOCK
ABSORBER....................6-36
CHAPTER 7
ELECTRICAL
ELECTRICAL
COMPONENTS AND
WIRING DIAGRAM ...........7-2
IGNITION SYSTEM...........7-4
ELECTRIC STARTING
SYSTEM............................7-6
CHARGING SYSTEM .....7-14
THROTTLE POSITION
SENSOR SYSTEM .........7-16
LIGHTING SYSTEM .......7-19
SIGNALING SYSTEM.....7-21