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Honda C50 User Manual

Honda C50
127 pages
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ANUAL
.
HONDA
5
SERIES
MODELS
CSO, CSO AND
SSO
HON
~
65
SERIES
MODE
S
C65
C65
o
565
.,

Table of Contents

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Honda C50 Specifications

General IconGeneral
Fuel SystemCarburetor
Front SuspensionTelescopic fork
Front BrakeDrum
Rear BrakeDrum
Front Tire2.25-17
Bore x Stroke39.0 mm x 41.4 mm
Transmission3-speed
Rear SuspensionSwingarm

Summary

FOREWORD

FEATURES

ENGINE

Details the engine, its overhead camshaft, and cam chain tensioner.

FRAME (C50, C50M, C65, C65M)

Covers frame construction, design, handling, and fuel tank capacity.

FRAME (S50, S65)

Details frame body, cushions, and noise suppression for S50/S65.

SPECIAL TOOLS

ENGINE

ENGINE DESCRIPTION

Explains engine performance factors and design features.

POWER TRANSMISSION SYSTEM

Describes power transfer from engine to rear wheel.

ENGINE REMOVAL INSTALLATION

Details engine removal and installation procedures.

LUBRICATION SYSTEM

Explains the engine lubrication system and oil pump.

OIL PUMP PRINCIPLE

Details the trochoid oil pump operation.

CYLINDER HEAD DESIGN

Describes the cylinder head construction and camshaft drive.

VALVE SEAT CONTACT SURFACE

Explains checking valve seat contact for sealing.

INSPECTION OF VALVE CONTACT AREA

Details inspecting valve seating for leaks.

CAMSHAFT

Explains camshaft function, construction, and lubrication.

PISTON

Describes piston construction, tapering, and pin offset.

PISTON RING

Explains piston ring function for sealing and oil control.

VALVE OPERATING MECHANISM

Details the operation of the valve train.

CAM CHAIN TENSIONER

Explains the cam chain tensioner function.

RIGHT CRANKCASE COVER

Describes the right crankcase cover and oil pump.

CLUTCH

Explains clutch function and types.

CRANKSHAFT

Describes crankshaft material, function, and lubrication.

TRANSMISSION

Explains how the transmission changes engine speed.

KICK STARTER

Details kick starter operation and components.

CARBURETOR (C50, C50M, C65, C65M)

Explains carburetor function, design, and components.

CARBURETOR (S50, S65)

Details carburetor features for S50/S65 models.

ADJUSTING THE FUEL LEVEL

Explains how to adjust the carburetor fuel level.

CARBURETOR SETTING TABLE

Provides carburetor settings for different models.

FRAME

HANDLE

Describes handle construction and disassembly.

FRONT FORK

Details front fork construction and disassembly.

FRONT CUSHION

Explains front cushion construction and inspection.

REAR CUSHION

Describes rear cushion construction and inspection.

FRONT WHEEL

Details front wheel disassembly and inspection.

REAR WHEEL

Explains rear wheel construction and disassembly.

BRAKING SYSTEM

Details braking system disassembly and inspection.

REAR FORK CONSTRUCTION

Describes rear fork construction and disassembly.

DRIVE CHAIN

Explains drive chain construction and adjustment.

AIR CLEANER

Describes air cleaner construction and cleaning.

FRAME BODY

Explains frame body construction.

MUFFLER AND EXHAUST PIPE

Details muffler and exhaust pipe construction.

ELECTRICAL SYSTEM

STARTING SYSTEM

Explains the starting system for C50M/C65M.

SPARK PLUG

Explains the function, heat range, and reach of spark plugs.

CHARGING SYSTEM

Describes the A.C. generator and charging.

FLYWHEEL A.C. GENERATOR AND IGNITION COIL

Details A.C. generator and ignition coil specs.

SPARK ADVANCER

Explains spark advancer function and inspection.

BATTERY

Covers battery construction, rating, and servicing.

PERIODICAL ADJUSTMENT

ENGINE ADJUSTMENT

Covers measuring engine compression and adjusting tappets.

TAPPET ADJUSTMENT

Details the procedure for adjusting valve clearance.

IGNITION TIMING ADJUSTMENT

Explains how to adjust ignition timing.

CONTACT POINTS

Details inspection and dressing of breaker points.

SPARK PLUG ADJUSTMENT

Covers spark plug cleaning and gap adjustment.

FUEL SUPPLY SYSTEM

Explains checking fuel supply, cleaning tank, cock, and strainer.

FUEL STRAINER CLEANING

Details cleaning the fuel strainer cup and filter screen.

OIL FILTER SCREEN CLEANING

Explains cleaning the engine oil filter screen.

AIR CLEANER CLEANING

Covers air cleaner removal and cleaning.

CLUTCH ADJUSTMENT

Details clutch lever play adjustment.

CARBURETOR CLEANING AND ADJUSTMENT

Explains carburetor cleaning and adjustment.

LUBRICATING

Covers lubrication of parts, oil change, and greasing.

DRIVE CHAIN ADJUSTMENT

Details drive chain tension adjustment.

BRAKE ADJUSTMENT

Covers front and rear brake adjustment.

MUFFLER CLEANING

Explains muffler cleaning for performance.

SPOKE TORQUING

Details spoke inspection and retorquing.

BATTERY INSPECTION

Covers battery electrolyte level and specific gravity inspection.

SECURITY INSPECTION OF PARTS (C50, C50M, C65, C65M)

Lists critical parts for security inspection.

SECURITY INSPECTION OF PARTS (S50, S65)

Lists critical parts for security inspection.

PERIODIC INSPECTION AND SERVICING

Outlines periodic and daily inspection importance.

DAILY INSPECTION

Lists essential daily checks for riders.

TROUBLE SHOOTING

MAIN ENGINE TROUBLE

Lists common engine troubles, causes, and fixes.

CARBURETOR TROUBLE

Details carburetor problems, causes, and solutions.

ENGINE NOISE

Identifies causes and solutions for engine noises.

STEERING SYSTEM

Addresses steering issues.

CLUTCH SYSTEM

Lists common clutch problems and causes.

GEAR CHANGE SYSTEM

Covers gear change system troubles.

SUSPENSIONS

Addresses suspension issues.

BRAKE SYSTEM

Details common brake problems and fixes.

DRIVE CHAIN

Covers drive chain stretch and sprocket wear.

SPECIFICATIONS & PERFORMANCES

SPECIFICATIONS

Provides detailed specifications for different models.

ENGINE PERFORMANCE CURVE

Presents engine performance curves for C50.

DIMENSIONAL DRAWING

Shows dimensional diagrams of C50/C65.

WIRING DIAGRAM

WIRING DIAGRAM (C50, C65)

Illustrates the electrical system wiring for C50/C65.

WIRING DIAGRAM (S50, S65)

Illustrates the electrical system wiring for S50/S65.

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