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Honda S65 User Manual

Honda S65
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 S65 Specifications

General IconGeneral
Fuel SystemCarburetor
Front SuspensionTelescopic fork
Front BrakeDrum
Rear BrakeDrum
Final DriveChain
Transmission4-speed
Rear SuspensionSwingarm

Summary

Foreword

Honda Motorcycle Features

Engine Features

Details the engine characteristics and design for improved performance.

Frame Design (C50, C50M, C65, C65M)

Describes frame construction using pressed steel for uniform quality.

Easy Handling and Riding Comfort

Highlights leg shield and fenders for road conditions.

Fuel Tank Capacity and Reserve

Specifies fuel tank sizes and reserve fuel cock for extended riding.

Enhanced Safety Features

Details larger turn signal, taillight, stoplight, and headlight for better visibility.

Intake and Exhaust System

Explains the expansion chamber, air cleaner, and muffler for efficient intake and reduced noise.

Frame Design (S50, S65)

Describes frame construction using pressed steel for uniform quality.

Special Tools for Motorcycle Maintenance

Engine Disassembly and Reassembly Tools

Lists tools required for engine maintenance tasks.

Frame Disassembly and Reassembly Tools

Lists tools needed for frame maintenance procedures.

Engine Overview and Components

Engine Description and Specifications

Provides a general description of the engine and its key features.

Power Transmission System

Explains how engine power is transmitted to the rear wheel through the drivetrain.

Engine Removal and Installation

Details the steps for removing and installing the engine from the frame.

Oil Pump Principle

Explains the trochoid oil pump mechanism for delivering oil.

Cylinder Head Design and Features

Details the construction and features of the cylinder head.

Piston Design and Construction

Details piston material, shape, and thermal expansion characteristics.

Piston Ring Function and Design

Explains the role of piston rings in sealing, oil control, and heat transfer.

Valve Operating Mechanism

Describes the rocker arm, camshaft, and valve spring assembly.

Cam Chain Tensioner Operation

Explains the self-adjusting cam chain tensioner's function.

Right Crankcase Cover

Details the right crankcase cover and integrated oil pump.

Clutch Mechanism

Explains the function and types of clutches used.

Crankshaft Design and Function

Explains the crankshaft's role in converting reciprocating to rotary motion.

Transmission System Overview

Explains how the transmission changes gear ratios for different speeds.

Kick Starter Mechanism

Describes the kick starter's functional diagram and components.

Carburetor Operation and Components (C50-C65M)

Explains carburetor systems for C50-C65M models.

Carburetor Setting Specifications Table

Provides specifications for main jet, air jet, and needle jet settings.

Motorcycle Frame Construction and Components

Handlebar Assembly

Details handlebar construction, mounting, and related parts.

Front Fork Assembly

Describes front fork construction, ball bearings, and steerability.

Front Cushion Assembly

Details front wheel axle, bearings, and brake drum assembly.

Rear Cushion Assembly

Describes the rear cushion components and their function.

Front Wheel Assembly and Components

Details front wheel construction, axle, and brake panel.

Rear Wheel Assembly and Components

Details rear wheel construction, hub, flange, and brake panel.

Brake System Adjustment and Maintenance

Covers inspection and adjustment of front and rear brake systems.

Rear Fork Assembly and Components

Describes the swing arm rear fork and its pivot mechanism.

Drive Chain System

Explains drive chain construction, strength, and adjustment.

Air Cleaner System

Details air cleaner construction, function, and airflow path.

Frame Body Construction

Describes frame construction using steel pipe and sheets.

Electrical System Overview

Starting System Operation (C50M, C65M)

Explains the electric starter motor system for specific models.

Charging System Overview (A.C. Generator)

Explains A.C. generator charging characteristics and specifications.

Flywheel A.C. Generator and Ignition Coil

Details generator specifications and ignition coil performance.

Battery Construction and Rating

Describes battery construction, type, voltage, and capacity.

Spark Plug Function and Types

Discusses heat range importance for self-cleaning and performance.

Spark Plug Reach Specifications

Importance of correct spark plug reach to prevent engine damage.

Turn Signal Lamp System

Explains the flasher system, relay, and wiring for turn signals.

Headlight System Function

Explains the headlight's purpose and the need for adequate conditions.

Horn Operation and Troubleshooting

Explains horn function, symptoms of malfunction, and adjustment.

Selenium Rectifier Installation and Handling

Precautions for handling, installation, and potential issues.

Speedometer System

Explains speedometer testing and wiring.

Periodic Adjustment and Maintenance

Maintenance Inspection Schedule

Importance of inspections for maintaining optimal performance and extending life.

Engine Adjustment Procedures

Covers engine adjustments like compression measurement.

Valve Clearance Adjustment

Steps for adjusting valve clearance for proper timing and noise.

Ignition Timing Adjustment

Adjusting ignition timing for optimal engine performance and fuel efficiency.

Contact Points Inspection and Dressing

Inspecting and dressing breaker points for proper spark.

Spark Plug Cleaning and Adjustment

Procedures for cleaning, adjusting gap, and inspecting spark plugs.

Fuel Supply System Check

Checking fuel tank, fuel cock, and fuel line for restrictions.

Air Cleaner Cleaning Procedure

Steps for removing, cleaning, and reinstalling the air cleaner.

Clutch Adjustment

Adjusting clutch lever play for proper engagement and disengagement.

Carburetor Cleaning and Adjustment

Procedures for cleaning and adjusting the carburetor for optimal performance.

Engine Oil Change Procedure

Steps for draining and refilling engine oil.

Drive Chain Adjustment

Checking and adjusting drive chain tension for proper performance.

Brake Adjustment Procedures

Adjusting front and rear brake levers and pedals for correct play.

Muffler Cleaning

Cleaning the muffler and diffuser pipe to maintain engine performance.

Spoke Torquing Procedure

Inspecting and retorquing spokes for wheel integrity.

Battery Inspection

Checking electrolyte level and overall battery condition.

Security Inspection of Parts (C50-C65M)

Checklist of critical parts for security inspection and torquing.

Security Inspection of Parts (S50, S65)

Checklist of critical parts for security inspection and torquing.

Periodic Inspection and Servicing Schedule

Daily Inspection Checklist

Items to check daily for safe operation and maintenance.

Periodic Inspection Table

Table outlining inspection and servicing intervals based on distance.

Troubleshooting Guide

Main Engine Troubleshooting

Common engine problems, their causes, and corrective actions.

Engine Noise Troubleshooting

Identifies causes and solutions for various engine noises.

Steering System Troubleshooting

Addresses issues with heavy steering, wheel shimmy, and pulling.

Clutch System Troubleshooting

Problems like clutch slip, non-disengagement, and stalling.

Gear Change System Troubleshooting

Issues with gears not engaging, pedal returning, or jumping out of engagement.

Carburetor Troubleshooting

Common carburetor problems like overflow, poor idling, and acceleration.

Carburetor Intermediate Speed Performance

Addresses issues like flat spots and poor acceleration at intermediate speeds.

Suspension System Troubleshooting

Problems like soft/hard suspension and suspension noise.

Brake System Troubleshooting

Issues with brake range, noise, and effectiveness.

Drive Chain Troubleshooting

Problems with chain stretch and sprocket wear.

Specifications and Performance Data

Maximum Speed Specifications

Top speed capabilities for different models.

Acceleration Specifications (0-200m)

Acceleration data from a standstill to 200 meters.

Climbing Ability Specifications

Maximum grade the motorcycle can climb.

Engine Specifications

Details on engine type, displacement, bore, stroke, and compression.

Fuel System Specifications

Carburetor type, air filter, and fuel pump details.

Ignition System Specifications

Ignition method, coil type, and spark plug details.

Electrical System Specifications

Battery, generator, and starting motor specifications.

Power Transmission Specifications

Clutch type, reduction ratios, and gear change method.

Steering System Specifications

Steering handle width, caster, trail, and turning radius.

Lighting System Specifications

Headlamp, taillamp, turn signal, and horn specifications.

Engine Performance Curves (C50)

C50 Engine Performance Data

Graphs showing shaft output, torque, and fuel consumption vs. engine speed.

C50 Running Performance Data

Graphs showing engine speed vs. driving speed for different gears.

Engine Performance Curves (C65)

C65 Engine Performance Data

Graphs showing shaft output, torque, and fuel consumption vs. engine speed.

C65 Running Performance Data

Graphs showing engine speed vs. driving speed for different gears.

Engine Performance Curves (C65M)

C65M Engine Performance Data

Graphs showing shaft output, torque, and fuel consumption vs. engine speed.

C65M Running Performance Data

Graphs showing engine speed vs. driving speed for different gears.

Engine Performance Curves (S50)

S50 Engine Performance Data

Graphs showing shaft output, torque, and fuel consumption vs. engine speed.

S50 Running Performance Data

Graphs showing engine speed vs. driving speed for different gears.

Engine Performance Curves (S65)

S65 Engine Performance Data

Graphs showing shaft output, torque, and fuel consumption vs. engine speed.

S65 Running Performance Data

Graphs showing engine speed vs. driving speed for different gears.

Dimensional Diagrams

Honda C50, C65 Dimensional Drawing

Overall dimensions and key measurements for C50 and C65 models.

Honda S50 Dimensional Drawing

Overall dimensions and key measurements for S50 model.

Wiring Diagram (C50, C65)

C50, C65 Wiring Diagram Details

Detailed schematic of electrical connections for C50 and C65 models.

Wiring Diagram (C50M, C65M)

Detailed schematic of electrical connections for C50M and C65M models.

Wiring Diagram (S50, S65)

Detailed schematic of electrical connections for S50 and S65 models.

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