Description
This Clymer Honda ATC TRX Fourtrax 70-125 1970-1987 Repair Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1973-1974, 1978-1985 ATC70, 1970-1978 ATC90, 1979-1985 ATC110, 1984-1985 ATC125M, 1986-1987 Fourtrax TRX70, 1985 TRX125, 1986 Fourtrax 125 ATVs. Features 360 illustrated pages.
1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987
CHAPTER ONE / GENERAL INFORMATION
Manual organization / Service hints / Torque specifications / Safety first / Special tips / Parts replacement / Expendable supplies / Serial numbers / Tune-up and troubleshooting tools / ”Off the road” rules / Safety
CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Emergency troubleshooting / Engine starting / Engine performance / Engine noises / Excessive vibration / Front suspension and steering / Brake problems
CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Daily checks / Service intervals / Tires and wheels / Battery (so equipped) / Periodic lubrication / Periodic maintenance / Engine tune-up / Valve clearance adjustment / Camshaft chain tensioner adjustment / Compression test / Spark plug / Contact breaker point ignition (ATC70, ATC90, 1979-1980 ATC110) / Solid state ignition (1981-on ATC110; ATC125M) / Carburetor / Storage
CHAPTER FOUR / ENGINE
Engine principles / Engine cooling / Engine lubrication / Servicing engine in frame / Engine / Cylinder head and camshaft / Valves and valve components / Camshaft chain and tensioner / Cylinder / Piston, piston pin and piston rings / Oil pump / Left-hand crankcase cover (ATC90 and ATC110) / Crankcase and crankshaft / Electric starter gears and left-hand crankcase cover spacer (ATC125M) / Recoil starter (70-110 cc) / Recoil starter (125 cc) / Break-in procedure
CHAPTER FIVE / CLUTCH AND TRAMSMISSION
Centrifugal clutch / Clutch inspection (all models) / Clutch release mechanism / External shift mechanism / Drive sprocket / Transmission and internal shift mechanism / Preliminary transmission inspection (all models) / 3-speed transmission and internal shift mechanism (70 cc) / 4-speed transmission and internal shift mechanism (70 cc) / 4-speed transmission and internal shift mechanism (90-125 cc) / Internal shift mechanism (all models) / Subtransmission
CHAPTER SIX / FUEL AND EXHAUST SYSTEMS
Carburetor operation / Carburetor service / Carburetor adjustments / Throttle cable / Choke cable (ATC125M) / Fuel tank / Exhaust system
CHAPTER SEVEN / ELECTRICAL SYSTEM
Charging system (so equipped) / Alternator / Alternator (outer rotor type) / Alternator (inner rotor type) / Rotor testing / Stator coil testing / Voltage regulator/rectifier (so equipped) / Contact breaker point ignition / Capacitor discharge ignition / Ignition coil / Starting system (so equipped) / Starter / Starter solenoid / Lighting system (so equipped) / Switches / Fuse
CHAPTER EIGHT / STEERING, SUSPENSION AND FRAME
Front wheel / Front hub / Handlebar / Front fork and steering head / Rear wheel / Rear axle and driven sprocket (ATC70) / Rear axle and driven sprocket (1970-1974 ATC90) / Rear axle and driven sprocket (1975-1978 ATC90 and 1979-1983 ATC110) / Rear axle and driven sprocket (1984 ATC110 and ATC125M) / Rear hub inspection (all models) / Rear axle inspection (all models) / Drive chain / Rear axle bearing holder / Tires and wheels / Frame
CHAPTER NINE / BRAKES
Front brake / Rear brake / Brake cable / Rear brake pedal
SUPPLEMENT / 1985 SERVICE INFORMATION
INDEX
WIRING DIAGRAMS
