Honda CRF250 & CRF450 Series Motorcycle (2002-2005) Service Repair Manual Description Clymer motorcycle repair manuals are written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual get one today. Every Clymer manual contains hundreds of original photographs and illustrations developed from a complete disassembly and assembly of a motorcycle. This in addition to extensive research allows Clymer to achieve an unmatched level of detail accuracy and clarity. The step-by-step instructions and two-column text with large print are user-friendly. Bold figure numbers make it easy to quickly match instructions with illustrations and photos. Thumb-tabbed chapters numbered table of contents and an extensive index make it possible to locate the desired section quickly. Contents This Honda manual is 632 pages. QUICK REFERENCE DATA CHAPTER ONE / GENERAL INFORMATIONManual 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 / Engine oil and filter / oil strainer / Transmission oil / Compression check / Spark plug / Valve clearance / Decompressor system / Secondary air supply system / Control cable inspection and lubrication / Throttle cable / Hot start cable / Clutch lever adjustment / Drive chain and sprockets / Wheel bearing / Steering / engine break-in / Specifications Specs CHAPTER FOUR AND FIVE / ENGINE Removal and installation / Cylinder head cover / Camshaft and rocker arm / Cam chain tensioner guides and cam chain / Cylinder head / Valves / Cylinder / Piston and piston rings / Countershaft seal / Shift shaft seal / Lubrication system / Crankcase / Crankcase seal and bearing / Oil pump and one-way valve / Crankshaft / Specifications Specs CHAPTER SIX AND SEVEN / CLUTCH PRIMARY DRIVE STARTER CLUTCH KICKSTARTER AND EXTERNAL SHIFT MECHANISM Right crankcase cover / Clutch cover / Clutch release lever / Balancer shaft and primary drive gear / Starter clutch balancer shaft and primary drive gear / Kickstarter and kick idle gear / External shift mechanism / Clutch cable / Specifications Specs CHAPTER EIGHT / TRANSMISSION AND INTERNAL SHIFT MECHANISM Transmission operation / Transmission overhaul / inspection / Internal shift mechanism / Specifications Specs 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 / Carb adjustment and rejetting / Throttle position sensor / Throttle cable / Hot start cable / Emission control labels / Crankcase breather / Pulse secondary air injection / Specifications Specs CHAPTER TEN / ELECTRICAL SYSTEM Connectors / Left crankcase cover / Stator and ignition pulse generator / Flywheel / Ignition coil / Ignition control module / Ignition system testing / Ignition timing / Battery...