Honda C70 - High Altitude Adjustment; Limiter Cap Installation

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Important Safety Notice2
Contents3
Model Identification4
General Information5
General Safety5
Service Rules5
Specifications6
Torque Values8
Tools9
Cable & Harness Routing10
Maintenance Schedule12
Emission Control System13
Exhaust System13
Crankcase System13
Information Label13
Engine Lubrication System14
Lubrication Service Information15
Lubrication Troubleshooting15
Lubrication Specifications15
Engine Oil Level16
Engine Oil Change16
Engine Oil Filter Screen Cleaning16
Centrifugal Oil Filter Cleaning17
Oil Pump Removal18
Oil Pump Inspection18
Oil Pump Disassembly20
Oil Pump Assembly20
Oil Pump Installation20
Chassis Lubrication Points21
Control Cable Lubrication21
Inspection and Adjustment Service Information23
Inspection and Adjustment Tools23
Inspection and Adjustment Specifications23
Engine Fuel Lines25
Throttle Operation25
Carburetor Choke26
Air Cleaner26
Crankcase Breather (USA Only)27
Spark Plug27
Valve Clearance28
Contact Breaker Points29
Ignition Timing30
Ignition Timing Adjustment30
Spark Advancer31
Cam Chain Tension31
Carburetor Idle Speed32
Cylinder Compression32
Chassis Drive Chain Inspection33
Chassis Drive Chain Adjustment33
Chassis Drive Chain Cleaning33
Battery35
Brake Shoe Wear35
Brake System36
Front Brake Lever Free Play36
Rear Brake Pedal Free Play36
Brake Light Switch37
Headlight Aim37
Brake Linkage37
Clutch38
Side Stand38
Front Suspension39
Rear Suspension39
Nuts, Bolts, Fasteners40
Wheels/Spokes40
Steering Head Bearings40
Recommended Tire Pressure and Tire Size40
Fuel System Service Information43
Fuel System Troubleshooting43
Fuel System Specifications43
Carburetor Removal44
Throttle Valve Disassembly44
Float and Jets45
Carburetor Assembly46
Float Level47
Throttle Valve Assembly47
Carburetor Installation48
Fuel Strainer48
Pilot Screw Removal/Installation49
Pilot Screw Adjustment49
High Altitude Adjustment50
Limiter Cap Installation50
Fuel Tank51
Engine Removal/Installation Service Information53
Engine Removal/Installation Specifications53
Engine Removal/Installation Torque Values53
Engine Removal54
Engine Installation56
Cylinder Head/Valve Service Information59
Cylinder Head/Valve Specifications59
Cylinder Head/Valve Torque Values59
Cylinder Head/Valve Troubleshooting60
Cylinder Head Removal61
Cylinder Head Disassembly62
Rocker Arm Inspection64
Rocker Arm Shaft Inspection64
Camshaft Inspection65
Camshaft Oil Clearance65
Valve Spring Free Length Inspection65
Valve Stem to Guide Clearance66
Valve Guide Replacement67
Valve Seat Inspection/Refacing68
Cylinder Head Assembly69
Cylinder Head Installation71
Cylinder/Piston Service Information75
Cylinder/Piston Troubleshooting75
Cylinder/Piston Specifications75
Cylinder Removal76
Cylinder Inspection76
Piston Removal77
Piston/Piston Ring Inspection77
Piston Ring Installation79
Piston Installation80
Cylinder Installation80
Clutch Service Information83
Clutch Troubleshooting83
Clutch Specifications83
Right Crankcase Cover Removal84
Clutch Removal84
Clutch Lifter Removal84
Clutch Disassembly85
Clutch Spring Inspection86
Clutch Disc Inspection86
Drive Gear Inspection87
Clutch Center Guide Inspection87
Clutch Assembly88
Clutch Installation88
Right Crankcase Cover Installation89
Gearshift Linkage Service Information91
Gearshift Linkage Troubleshooting91
Gearshift Linkage Removal92
Gearshift Linkage Installation93
Transmission/Crankshaft Service Information95
Transmission/Crankshaft Torque Values95
Transmission/Crankshaft Specifications95
Transmission/Crankshaft Troubleshooting96
Crankcase Separation97
Crankshaft Removal98
Crankshaft Inspection98
Timing Sprocket Installation99
Transmission Disassembly100
Kick Starter Spindle Disassembly100
Transmission Gear Disassembly101
Shift Drum Disassembly102
Transmission Assembly103
Shift Drum Assembly103
Kick Starter Spindle Assembly104
Transmission Installation104
Crankcase Assembly105
Cam Chain Tensioner Service Information107
Cam Chain Tensioner Troubleshooting107
Cam Chain Tensioner Push Rod108
Cam Chain Tensioner109
Front Wheel/Suspension Service Information111
Front Wheel/Suspension Tools111
Front Wheel/Suspension Torque Values111
Front Wheel/Suspension Troubleshooting112
Front Wheel/Suspension Specifications112
Headlight Removal113
Headlight Disassembly/Assembly113
Instruments Removal113
Instruments Installation114
Handlebar Removal115
Handlebar Installation116
Front Wheel Removal118
Front Wheel Bearing Inspection118
Front Wheel Bearing Replacement119
Front Wheel Inspection119
Axle Inspection120
Brake Drum I.D. Inspection120
Brake Lining Thickness Inspection120
Brake Panel Disassembly121
Brake Panel Assembly121
Brake Panel Installation122
Front Shock Absorber Removal122
Front Shock Absorber Disassembly123
Shock Absorber Inspection123
Suspension Arm Bushing Inspection124
Front Shock Absorber Assembly124
Front Shock Absorber Installation125
Front Fork/Steering Stem Removal126
Lower Cone Race Replacement127
Ball Race Replacement128
Rear Wheel/Suspension Service Information131
Rear Wheel/Suspension Torque Values131
Rear Wheel/Suspension Specifications131
Rear Wheel/Suspension Troubleshooting132
Rear Wheel Removal133
Rear Wheel Axle Inspection133
Rear Wheel Bearing Inspection134
Rear Wheel Bearing Replacement134
Rear Wheel Inspection135
Rear Wheel Damper Rubber Inspection135
Rear Wheel Brake Drum I.D. Inspection135
Rear Wheel Brake Lining Thickness Inspection136
Rear Wheel Brake Shoe Replacement136
Rear Wheel Installation137
Drive Flange Removal137
Driven Sprocket - Inspection138
Driven Sprocket - Replacement138
Shock Absorber Removal140
Shock Absorber Disassembly140
Shock Absorber Spring Free Length Inspection140
Shock Absorber Assembly141
Shock Absorber Installation141
Swingarm Removal142
Swingarm Inspection142
Swingarm Installation142
Battery/Charging System Service Information145
Battery/Charging System Tools145
Battery/Charging System Torque Values145
Battery/Charging System Specifications145
Battery/Charging System Troubleshooting146
Battery Removal147
Battery Testing Specific Gravity147
Battery Charging148
Charging System Output Test148
A.C. Generator Stator Removal149
A.C. Generator Stator Coil Continuity Test149
Generator Rotor Removal150
Generator Rotor Installation150
Stator Installation151
Rectifier Removal152
Rectifier Inspection152
Ignition System Service Information155
Ignition System Troubleshooting155
Ignition System Specifications155
Ignition Coil Removal156
Ignition Coil Continuity Test156
Ignition Coil Performance Test156
Contact Breaker Points Removal157
Contact Breaker Points Condenser Capacity Test157
Contact Breaker Points Replacement157
Spark Advancer Replacement158
Electric Starter Service Information159
Electric Starter Troubleshooting159
Electric Starter Specifications159
Starter Motor Removal160
Starter Motor Brush Inspection161
Starter Motor Commutator Inspection161
Starter Motor Brush Wire Inspection162
Starter Motor Assembly/Installation162
Starter Relay Inspection163
Starter Clutch/Drive Chain Removal163
Starter Clutch Disassembly164
Starter Clutch Inspection164
Starter Clutch Assembly164
Starter Clutch Installation164
Switches Service Information165
Neutral Switch166
Front Brake Switch166
Rear Brake Switch166
Handlebar Switches167
Headlight Hi-Low Switch167
Turn Signal Switch167
Horn Button167
Ignition Switch168
Starter Button168
Engine Stop Switch168
Troubleshooting169
Engine will Not Start or Is Hard to Start170
Engine Lacks Power171
Poor Performance at Idle and Low Speed172
Poor High Speed Performance173
Smocking Exhaust173
Faulty Clutch174
Difficult Shifting174
Engine Noise174
Motorcycle Pulls to One Side175
Faulty Front & Rear Shock Absorbers175
Faulty Brake175
Elongated Drive Chain175
Wiring Diagram C70176
82 Addendum177
Tensioner Removal191
Tensioner/Push Rod Installation191
Front Wheel/Suspension193
Rear Wheel/Suspension193
Battery/Charging System194
Exciter Coil/Pulse Generator Inspection201
Technical Features203

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Honda C70 - High Altitude Adjustment; Limiter Cap Installation

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