Honda ATC70, ATC90, ATC110, ATC125, Fourtrax 70 & 125, TRX125 1970 - 1987 Clymer Owners Service & Repair Manual Covers the following Models:
● Honda ATC70, 1973-1974, 1978-1985
● Honda ATC90, 1970-1978
● Honda ATC110, 1979-1985
● Honda Fourtrax 70, 1986-1987
● Honda ATC125M, 1984-1985
● Honda TRX125, 1985
● Honda Fourtrax 125, 1986
● QUICK REFERENCE DATA
● 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
Operating requirements / Emergency troubleshooting / Engine starting / Engine performance / Engine noises / Excessive vibration / Front suspension and steering / Brake problems
● LUBRICATION, MAINTENANCE AND TUNE-UP
Daily checks / Service intervals / Tyres and wheels / Battery (models 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
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
● CLUTCH AND TRANSMISSION
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
● FUEL AND EXHAUST SYSTEMS
Carburetor operation / Carburetor service / Carburetor adjustments / Throttle cable / Choke cable (ATC125M) / Fuel tank / Exhaust system
● ELECTRICAL SYSTEM
Charging system (models so equipped) / Alternator / Alternator (outer rotor type) / Alternator (inner rotor type) / Rotor testing / Stator coil testing / Voltage regulator/rectifier (models so equipped) / Contact breaker point ignition / Capacitor discharge ignition / Ignition coil / Starting system (models so equipped) / Starter / Starter solenoid / Lighting system (models so equipped) / Switches / Fuse
● 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 / Tyres and wheels / Frame
Front brake / Rear brake / Brake cable / Rear brake pedal
● SUPPLEMENT / 1985 SERVICE INFORMATION
● WIRING DIAGRAMS
Clymer motorcycle & ATV repair manuals can save you money on maintenance and repair bills. Step-by-step procedures and detailed illustrations guide you through every job, from maintenance and troubleshooting, all the way to complete teardown and rebuild.
General information on Repair Manuals
Please note that workshop manuals are usually written for models sold in a specific country.
Differences in specification can exist between models sold in different countries and items such as engines can vary.
Please check that the manual will cover your model before purchase and if you are unsure please contact us first.