This Yamaha ATV manual is 205 pages. QUICK REFERENCE DATA CHAPTER ONE / GENERAL INFORMATION Manual organization / Warnings, cautions and notes / Safety / Serial numbers / Fasteners / Shop supplies / Basic tools / Precision measuring tools / Decimal place values / Electrical system fundamentals / Special tools / Basic service methods / Storage / Specifications CHAPTER TWO / TROUBLESHOOTING Operating requirements / Starting the engine / Engine will not start / Engine is difficult to start / Poor idle speed performance / Poor medium to high speed performance / Starting system / Charging system / Ignition system / Ignition system diagnosis / Fuel system / Engine overheating / Engine / Engine noises / Engine leak down test / Clutch / Transmission / Handling / Frame noise / Brakes CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP Pre-ride checklist / Periodic lubrication / Engine oil change / Oil strainer screen / Final drive oil change / Control cable lubrication / Air filter / Cam chain adjustment / Valve clearance / Compression test / Spark plug / Spark arrestor / Ignition timing / Idle speed / Throttle lever adjustment / Speed limiter / Clutch / Chassis maintenance / Specifications CHAPTER FOUR / ENGINE TOP END Engine cooling / Engine removal / Intake manifold / Cylinder head / Cylinder / Rocker arm and camshaft / Valves and valve components / Piston / Piston rings / Specifications CHAPTER FIVE / ENGINE LOWER END Engine break-in / Engine removal / Engine installation / Oil pump and oil strainer / CDI magneto / Middle driven gear / Crankcase / Driven gear shim selection / Transmission / Crankshaft / Specifications CHAPTER SIX / CLUTCH AND DRIVE GEAR Clutch / Drive gear and starter clutch / Specifications CHAPTER SEVEN / TRANSMISSION AND SHIFTER Transmission / Shift shaft and stopper lever / Specifications CHAPTER EIGHT / FUEL AND EXHAUST SYSTEMS Carburetor / Carburetor adjustments / Fuel tank / Exhaust / Specifications CHAPTER NINE / ELECTRICAL SYSTEM Electrical component replacement / Starting system / Ignition system / Ignition coil test / Pickup coil test / Source coil test / Main switch test / Engine top switch test / Charging system / Specifications CHAPTER TEN / FRONT SUSPENSION, WHEELS AND TIRES Front wheel / Front wheel bearings / Front shock absorber and lower arm / Wheel alignment / Handlebar / Steering shaft / Steering knuckle / Tie rod / Tires and wheel / Specifications CHAPTER ELEVEN / REAR AXLE, REAR SUSPENSION AND FINAL DRIVE Rear wheel and wheel hub / Rear shock absorber / Rear swing arm and drive shaft / Final drive/rear hub / Final drive and axle inspection / Specifications CHAPTER TWELVE / BRAKES Front brake lever free play / Front brake / Rear brake / Specifications CHAPTER THIRTEEN / BODY AND CHASSIS Front fender / Front bumper / Rear fender / Swing arm guard / Specifications INDEX COLOR WIRING DIAGRAMS Clymer Manuals Yamaha YFM80 Moto-4 Manual Clymer Manuals Yamaha YFM80 Badger Manual Clymer Manuals Yamaha YFM80 Raptor Manual Clymer Manuals Yamaha YFM80 Moto-4 Online Manual Clymer Manuals Yamaha YFM80 Badger Online Manual Clymer Manuals Yamaha YFM80 Raptor Online Manual YFM 80 YFM80 Moto-4 (1985-1988) YFM80 Badger (1992-2001) YFM80 Raptor (2002-2008)