Table of Contents

CHAPTER ONE - GENERAL INFORMATION
Manual organization, Parts replacement, Service hints, Expendable supplies, Safety tips.

CHAPTER TWO - TROUBLESHOOTING
Operating requirements, Clutch, Emergency requirements, Brakes, Emergency troubleshooting, Transmission, Engine starting problems, Suspension, Operating problems.

CHAPTER THREE - LUBRICATION, MAINTENANCE AND TUNE-UP
Daily checks, Engine tune-up, Routine checks, Air cleaner element, Service intervals, Valve clearance adjustment, Tires and wheels, Compression test, Crankcase breather hoses (1979-on US models), Spark plugs, Solid state ignition, Battery, Carburetor, Periodic lubrication, Serial numbers, Periodic maintenance, Parts replacement.

CHAPTER FOUR - ENGINE
Engine principles, Piston, pins and rings, Engine cooling, Ignition advance mechanism, Engine lubrication, Alternator, Servicing engine in frame, Oil pump, Engine removal/installation, Crankcase and crankshaft, Cylinder head and camshaft, Kickstarter, Valves and valve components, Electric starter gears (C70M, 1980-on C70), Camshaft chain and tensioner, Cylinder, Break-in procedure.

CHAPTER FIVE - CLUTCH AND TRANSMISSION
Manual clutch, Centrifugal clutch, Clutch inspection, Clutch release mechanism removal/installation, Clutch cable (manual clutch), External shift mechanism, Drive sprocket, Transmission and internal shift mechanism, Preliminary transmission inspection (all models),, 3-speed transmission and internal shift mechanism (Type I), 3-speed transmission and internal shift mechanism (Type II), 4-speed transmission and internal shift mechanism (Type III), 4-speed transmission and internal shift mechanism (Type IV), Internal shift mechanism (all models), Dual-range subtransmission (CT90andCT110).

CHAPTER SIX - FUEL AND EXHAUST SYSTEMS
Air cleaner, Carburetor operation, Carburetor service, Carburetor adjustments, Throttle cable, Choke cable, Fuel shutoff valve, Fuel tank, Crankcase breather system (US only, since 1979), Exhaust system.

CHAPTER SEVEN - ELECTRICAL SYSTEMS
Charging system, Battery, Rectifier, Alternator, Alternator (outer-rotor type), Alternator (inner-rotor type), Stator coil testing (all models), Contact breaker point ignition, Ignition pulse generator (C70), Ignition pulse generator and ignition advance mechanism (1982-on CT110), Spark plug, Ignition coil, Starting system (C70), Starter, Starter solenoid, Lighting system, Handlebar switches (internal wiring), Handlebar switches (external wiring), Rear brake light switch, Electrical components.

CHAPTER EIGHT - FRONT SUSPENSION AND STEERING
Front wheel, Front hub, Wheels, Tire changing, Tire repairs, Handlebar, Steering head, Front fork.

CHAPTER NINE - REAR SUSPENSION
Rear wheel, Rear hub, Driven sprocket assembly (enclosed drive chain models), Drive chain, Wheel balancing, Tire changing and tire repairs, Swing arm, Shock absorbers.

CHAPTER TEN - FRONT SUSPENSION AND STEERING
Front and rear brakes, Front brake cable.

SUPPLEMENT - 1988 AND LATER SERVICE INFORMATION
Battery (CT70 1991-on), Spark plugs (1988-on Z50R), Carburetor adjustment (1988-on Z50R), Solid state ignition (1988-on Z50R), Cylinder head and camshaft (1991-on Z50R and CT70), Valve and valve components (Z50R), Cylinder head and camshaft (1991-on Z50R and CT70), Valve and valve components (Z50R) Kickstarter (50-70 cc engines), Centrifugal clutch (1992 Z50R and 1991-on CT70), Carburetor service (1988-on), Evaporation control system (1991-on CT70), Regulator/rectifier (1991-on CT70), Alternator (1991-on CT70), Stator coil testing (1991-on CT70), Capacitor discharge ignition (1988-on Z50R, 1991-on CT70), Tire changing (1988-on Z50R) Rear hub (1991-on CT70)

This manual features a complete INDEX and Honda wiring diagrams.

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