🏷️ Basic Information

Make:

Honda

Models Covered:

C72, C77, CB72, CB77, CS72, CS77

Model Years Covered:

1960

Manual Product Name:

C72 C77 CB72 CB77 CS72 CS77 1960 HONDA Service Repair Manual

👋 Introduction

Market Position:

Targeted at owners and technicians of vintage 1960 Honda motorcycles, offering comprehensive repair and maintenance guidance.

Target Audience:

Enthusiasts, collectors, and independent mechanics working on classic Honda motorcycles from the early 1960s.

Competitive Analysis:

Provides a critical resource for maintaining classic motorcycles where factory support is minimal. Essential for preserving the longevity and operational integrity of these historically significant machines.

Key Features:

Authentic technician-level repair information, covering a range of popular 1960s Honda models, enabling DIY repairs and significant cost savings.

📋 Manual Details

Manual Type:

Service Repair Manual

Page Count:

91

Language:

English

Format:

PDF Download

📖 Manual Coverage

Systems Covered List:

Electrical System Details:

Wiring diagrams, lighting system service, battery maintenance and testing, charging system (generator/alternator) service, ignition coil and spark plug troubleshooting.

Chassis Details:

Front fork (telescopic) service, rear suspension (swingarm and shocks) inspection and service, steering head bearing adjustment, wheel bearing service, spoke tensioning.

Fuel Lubrication System Details:

Oil pump operation and service, oil filter screen cleaning, engine oil level checks and replenishment, fuel tank sealing and cleaning.

Procedures Included List:

Troubleshooting Coverage:

Systematic diagnostic procedures for common running issues, electrical faults, and mechanical malfunctions.

Rebuild Procedures:

Detailed instructions for engine component rebuilds (pistons, rings, bearings), carburetor overhaul, and transmission internal repairs.

Technical Depth:

Detailed step-by-step instructions and repair information for professional technicians.

📊 Manual Specifications

File Format:

PDF

File Quality:

High-resolution PDF, suitable for clear viewing and printing.

Searchable Text:

Likely text-searchable PDF, enhancing usability for finding specific information.

Printable:

Yes

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Compatibility:

Win/Mac

Requirements:

Adobe PDF Reader

⚙️ Engine Specifications

Engine Type:

Air-cooled 4-stroke twin-cylinder (specific displacement varies by model, typically 250cc-305cc for these models).

Performance Notes:

Manual details include specifications for horsepower, torque, and RPM ranges relevant to proper engine operation and tuning.

Horsepower Torque Figures:

Manual provides specific figures for each model variant, crucial for performance tuning and diagnosis.

Fuel System Coverage:

Carburetor identification, adjustment, cleaning, and rebuilding procedures; fuel tank maintenance, fuel line routing, and fuel filter service.

Engine Displacement Range:

247cc to 305cc (approximate, model dependent).

Ignition System Type:

Battery-coil ignition with breaker points and condenser.

Cooling System Type:

Air cooling.

Valve Train Type:

Overhead Valve (OHV), pushrod actuated.

Carburetor Type:

Keihin or similar Japanese carburetors (specific model varies by engine size and type).

🔧 Transmission

Transmission Type:

4-speed or 5-speed manual transmission (model dependent).

Transmission Features:

Clutch operation, adjustment, and replacement; gear shifting mechanisms; transmission fluid specifications and change intervals.

📐 Dimensions

Dimensions Notes:

Manual may contain general dimensional data for chassis and component layout, essential for disassembly and reassembly.

Weights Notes:

Information on dry weight and curb weight may be included for proper handling and transport considerations.

🛡️ Safety Features

Safety Ratings:

N/A (Not applicable to manuals of this era; focus is on mechanical safety and operational integrity).

Active Safety Features:

Brake system service, adjustment, and inspection (drum brakes typical for this era); suspension alignment and component checks.

Passive Safety Features:

Frame integrity checks, electrical system grounding and safety precautions.

💡 Technology Features

Infotainment System:

N/A (Mechanical era).

Driver Assistance Features:

N/A (Mechanical era).

Connectivity Features:

N/A (Mechanical era).

🔧 Maintenance

Service Intervals Notes:

The manual details recommended intervals for oil changes, valve adjustments, spark plug replacement, chain lubrication, and brake checks.

Engine Oil Type:

API SE/SF or equivalent SAE 10W-30 or 20W-40 motorcycle specific oil (verify in manual for exact spec).

Transmission Oil Type:

API GL-4 SAE 80W or 90W gear oil (verify in manual for exact spec).

Brake Fluid Type:

N/A (Typically drum brakes requiring lubrication, not fluid).

Engine Oil Capacity:

Approximately 1.2 - 1.5 liters (check manual for precise model specification).

Common Issues Notes:

Manual addresses common wear items such as carburetor wear, ignition system points and condenser issues, and clutch engagement problems.

Oil Filter Type:

Internal oil screen/filter (requires periodic cleaning, not disposable cartridge).

Tune Up Procedures List:

Tire Sizes:

Manual will list recommended tire sizes for front and rear (e.g., 3.00-18, 3.25-18, etc., model dependent).

Wheel Bolt Pattern:

N/A (Spoked wheels common for this era, not bolt pattern).

Brake Type:

Drum brakes (front and rear).

Brake Adjustment:

Lever and pedal free play adjustment, brake shoe wear inspection.

Lubrication Schedule Notes:

Details on lubricating moving parts like cables, pivot points, and chain at specified intervals.

Parts Information Notes:

While not a parts catalog, the manual implies correct part identification for replacements and rebuilds through its detailed diagrams and procedures.

📚 Vehicle History

Brand Heritage:

Honda Motor Company, established in 1948, rapidly became a significant player in the motorcycle industry with innovative and reliable products.

Brand Focus:

Honda's commitment to engineering excellence, reliability, and innovation in the early days of its global expansion.

Model Evolution:

The C/CB/CS series represented Honda's early success in the global motorcycle market, offering accessible and well-engineered machines that set new standards.

Model Designations Explained:

C series: Standard touring models. CB series: Sportier, performance-oriented models. CS series: Scrambler-style or dual-purpose variants.

Production Era:

Mid-to-late 1950s and early 1960s. These models were crucial in establishing Honda's reputation for quality and performance.