This new title has 615 pages (a record for a Clymer dirt bike book), color wiring diagrams and hundreds of original photos and illustrations. Provides service, repair and maintenance information for the following Honda models:
CRF250R (2004-2005)
CRF250X (2004-2005)
CRF450R (2002-2005)
CRF450X (2005)

The chapter breakdown for this title is as follows:

QUICK REFERENCE DATA

CHAPTER ONE/GENERAL INFORMATION
Manual organization/Warnings, cautions and notes/Safety/Serial numbers/Fasteners/Shop supplies/Basic tools/Precision measuring tools/Electrical system fundamentals/Basic service methods/Storage/Specifications

CHAPTER TWO/TROUBLESHOOTING
Engine principles and operating requirements/Starting the engine/Engine will not start/Poor engine performance/Fuel system/Engine/Engine lubrication/Cylinder leakdown test/Clutch/Gearshift linkage/Transmission/Electrical testing/Front suspension and steering/Rear suspension/Brake system

CHAPTER THREE/LUBRICATION, MAINTENANCE AND TUNE-UP
Maintenance intervals/Air filter/Crankcase breather inspection engine oil and filter/Engine oil strainer/Transmission oil/Engine compression check/Piston and piston ring replacement/Piston pin replacement/Spark plug/Valve clearance and decompressor system inspection/Carburetor/Secondary air supply system/Exhaust system/Cooling system/Control cable inspection and lubrication/Throttle cable adjustment/Hot start cable adjustment/Clutch lever adjustment/Brakes/Drive chain and sprockets/Tires and wheels/Wheel bearing inspection/Steering/Front fork/Rear shock absorber inspection/Rear swing arm and linkage/Headlight adjustment/Sidestand inspection/Fasteners inspection/Engine break-in/Specifications

CHAPTER FOUR/ENGINE (CRF250R AND CRF250X)
Servicing engine in frame/Engine/Exhaust system/Cylinder head cover/Camshaft and rocker arm/Cam chain tensioner, guides and cam chain/Cylinder head/Valves/Cylinder/Piston and piston rings/Countershaft seal replacement/Shift shaft seal replacement/Lubrication system/Crankcase/Crankcase seal and bearing replacement/Oil pump and one-way valve/Crankshaft/Specifications

CHAPTER FIVE/ENGINE (CRF450R AND CRF450X)
Servicing engine in frame/Engine/Exhaust system/Cylinder head cover/Camshaft holder/Camshaft holder service/Cam chain tensioner, guides and cam chain/Cylinder head/Valves/Cylinder/Piston and piston rings/Countershaft seal replacement/Shift shaft seal replacement/Oil relief valve, oil pump drive gear and oil strainer/Crankcase/Crankcase seal and bearing replacement/Oil pump and one-way valve/Crankshaft/Specifications

CHAPTER SIX/CLUTCH, PRIMARY DRIVE, STARTER CLUTCH, KICKSTARTER AND EXTERNAL SHIFT MECHANISM (CRF250R AND CRF250X)
Right crankcase cover/Clutch cover/Clutch/Clutch release lever/Balancer shaft and primary drive gear assembly/Starter clutch, balancer shaft and primary drive gear assembly/Kickstarter and kick idle gear/External shift mechanism/Clutch cable replacement/Specifications

CHAPTER SEVEN/CLUTCH, PRIMARY DRIVE, KICKSTARTER AND EXTERNAL SHIFT MECHANISM (CRF450R AND CRF450X)
Right crankcase cover/Clutch cover/Clutch/Clutch release lever/Balancer shaft and primary drive gear assembly/Starter clutch, balancer shaft and primary drive gear assembly/Kickstarter and kick idle gear/External shift mechanism/Clutch cable replacement/Specifications

CHAPTER EIGHT/TRANSMISSION AND INTERNAL SHIFT MECHANISM
Transmission operation/Transmission overhaul/Transmission inspection/Internal shift mechanism/Specifications

CHAPTER NINE/FUEL AND EMISSION CONTROL SYSTEMS
Fuel system safety/Fuel tank/Fuel shutoff valve and fuel filter/Air box/Carburetor/Carburetor service/Float height adjustment/Carburetor adjustment and rejetting/Throttle position sensor/Throttle cable replacement/Hot start cable replacement/Emission control labels/Crankcase breather system/Pulse secondary air injection system/Specifications

CHAPTER TEN/ELECTRICAL SYSTEM
Electrical connectors/Left crankcase cover/Stator and ignition pulse generator/Flywheel/Ignition coil/Ignition control module (ICM)/Ignition system testing/Ignition timing/Battery/Charging system/Starting system testing/Starter/Starter relay switch/Lighting system/Switches/Main relay/Fuse/Wiring diagrams/Specifications

CHAPTER ELEVEN/COOLING SYSTEM
Cooling system safety precautions/Cooling system inspection/Water pump seal inspection/Cooling system pressure test/Radiators/Coolant reserve tank/Water pump/Cooling fan/Specifications

CHAPTER TWELVE/WHEELS, TIRES AND DRIVE CHAIN
Front wheel/Rear wheel/Front and rear hubs/Wheel service/Drive chain/Sprocket replacement/Tire changing/Specifications

CHAPTER THIRTEEN/FRONT SUSPENSION AND STEERING
Handlebar/Handlebar grip replacement/Steering head/Steering play check and adjustment/Steering head bearing races/Front fork/Fork service/Front fork adjustment/Specifications

CHAPTER FOURTEEN/REAR SUSPENSION
Rear suspension/Shock absorber/Shock linkage/Rear swing arm/Rear suspension adjustment/Specifications

CHAPTER FIFTEEN/BRAKES
Front brake pads/Front brake caliper/Front master cylinder/Rear brake pads/Rear brake caliper/Rear master cylinder/Brake hose replacement/Brake disc/Rear brake pedal/Brake system draining/Brake bleeding/Specifications

CHAPTER SIXTEEN/BODY AND SUBFRAME
Seat/Side covers/Radiator shrouds/Engine guard/Center engine guard/Number plate/Front visor/Tripmeter and cable/Footpeg and mounting bracket/Sidestand/Subframe/Specifications
INDEX
WIRING DIAGRAMS

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