Honda TRX250X (1987-1992) & TRX300EX Fourtrax/Sportrax (1993-2006) Service Repair Manual Description Clymer ATV 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 TRX Manuals is 416 pages. QUICK REFERENCE DATA CHAPTER ONE / GENERAL INFORMATION Manual organization / Notes cautions and warnings / Service hints / Torque specifications Washing the vehicle / Safety first / Special tips / Parts replacement / Expendable supplies / Fasteners / Lubricants / Sealants adhesives and cleaners / Serial numbers / Basic hand tools / Precision measuring tools / Special tools / Tune-up and troubleshooting equipment / Mechanic s tips / Ball bearing replacement / Oil seals / Riding safely / Specifications CHAPTER TWO / TROUBLESHOOTING Operating requirements / Starting the engine / Starting difficulties / Poor idle speed performance / Poor medium- and high-speed performance / Engine starting system (TRX300EX) / Lighting coil (TRX250X) / Charging system (1993-on TRX300EX / Ignition system / Carburetor troubleshooting / Engine overheating / Engine noises / Engine leak down test / Clutch / Transmission / Drive train noises / Handling / Frame noise CHAPTER THREE / LUBRICATION MAINTENANCE AND TUNE-UP Pre-ride checklist / Battery (TRX300EX) / Service intervals / Periodic lubrication / Engine oil and filter change / Oil strainer / Control cable lubrication / Drive chain lubrication / Rear axle bearing and oil seals / Periodic maintenance / Drive chain and sprocket inspection / Drive chain Adjustment / Drive chain guard and rollers / parking brake adjustment / Clutch adjustment / Reverse cable adjustment / Throttle cable adjustment / Decompression system adjustment (TRX250X) / Air filter housing drain tube / Fuel strainer service / Spark arrester cleaning / Toe-in adjustment / Non-scheduled maintenance / Engine tune-up / Cam chain adjustment / Valve clearance measurement and adjustment / Decompressor cable adjustment (TRX250X) / Cylinder compression test / Spark plug / ignition timing / Pilot screw adjustment / Idle speed adjustment / Storage / Specifications Specs CHAPTER FOUR / ENGINE TOP END Engine principles / Cleanliness / Cylinder head cover / Camshaft and cam chain tensioner / Cylinder head / Valves and valve components / Cylinder / Piston and piston rings / Oil pipes / Specifications Specs CHAPTER FIVE / ENGINE LOWER END Servicing engine in the frame / Engine removal and installation / Drive sprocket / Left crankcase cover and stator coil (TRX250X) / Starter reduction gears (TRX300EX) / Left crankcase cover and stator coil (TRX300EX) / Flywheel (TRX250X) / Flywheel and starter clutch (TRX300EX) / Gearshift linkage / Oil pipe and oil pump / Primary gears and oil pump drive gear / Cam chain and guides / Breaher plate / Crankcase and crankshaft / Kickstarter (TRX250X) / Engine Break-in / Specifications Specs CHAPTER SIX / CLUTCH AND REVERSE SHIFTER