Norton 850 Commando Mark III Workshop Manual 1975 1976 1977

Normaler Preis: $16.99
Verkaufspreis: $16.99
Normaler Preis
Grundpreis: pro

21 people are viewing this right now

Typ: Motorcycle

Anbieter:

Art.-Nr: 123748

Stichworte: 1975 1976 1977 850 Commando Mark III Commando Motorcycle Motorcycles Norton

Produktvarianten

Beschreibung

The Norton Commando Mark III, produced between 1975 and 1977, is a celebrated icon of British motorcycle engineering. Powered by an 850cc Parallel-Twin engine, this model evolved the renowned Commando line with notable features such as electric starting and the NORMATIC front fork system. Known for its performance and handling in its era, the Commando series represents a significant legacy in the history of motorcycling, offering a compelling blend of classic design and engaging ride dynamics for enthusiasts and collectors alike. This workshop service repair manual provides comprehensive, detailed English language coverage for all Norton Commando Mark III models and repairs. It is designed to assist owners, restorers, and mechanics through every aspect of maintenance and repair, from routine servicing and tune-ups to complete engine rebuilds and electrical system troubleshooting. With extensive troubleshooting guides, clear diagrams, and specific torque specifications, this manual enables effective diagnostics and component replacement, ensuring the longevity and optimal performance of your Norton Commando.

🏷️ Basic Information

Identification

Make:

Norton

Model:

Commando Mark III

Years Covered:

1975, 1976, 1977

Codes

Engine Type:

850cc Parallel-Twin

👋 Introduction

Market Position

Target Audience:

Owners, restorers, and mechanics of Norton Commando Mark III motorcycles

Competitive Analysis

Value Proposition:

Comprehensive, detailed, and accessible repair information, enabling significant cost savings on maintenance and repairs.

Key Features

Visual Aid:

Includes a ton of detailed pictures and diagrams for clarity

Accessibility:

Easy layout format, user-friendly for individuals with basic computer literacy

📋 Manual Details

Coverage Areas

Primary Coverage:

All Models and Repairs A-Z

Technical Scope:

Mechanical and Electrical Repairs

Page Count

Estimated Pages:

Comprehensive (specific count not provided, implies extensive detail)

Manual Type

Manual Classification:

Workshop Service Repair Manual

Language

Primary Language:

English

Format

Digital Format:

Compatibility:

Compatible with any PC/MAC computer running Windows (XP, NT, 2000, Vista, 7, etc.) or other PDF-compatible operating systems.

📖 Manual Coverage

Systems Covered

Engine:

Complete overhaul, tuning, component repair, lubrication, timing

Fuel System:

Carburetion, fuel delivery, tank, lines, emissions control

Ignition System:

Spark plugs, coils, points, timing, wiring

Transmission:

Clutch, gearbox, internal components, maintenance

Drivetrain:

Chain drive, sprockets, rear hub assembly

Suspension:

Front forks (including Roadholder), rear shock absorbers, bearings

Brakes:

Front and rear brake systems (disc and drum, where applicable), fluid, hydraulic components

Electrical System:

Wiring diagrams, lighting, charging system, battery, starter, instrumentation

Frame And Bodywork:

Chassis, tank, seat, fenders, controls

Procedures Included

Routine Maintenance:

Oil changes, chain adjustment, spark plug checks, brake adjustments

Tune Up:

Carburetor synchronization, ignition timing, valve clearance adjustment

Engine Rebuild:

Complete disassembly, inspection, component replacement, reassembly

Electrical Troubleshooting:

Diagnostic procedures, circuit analysis using wiring diagrams

Component Replacement:

Step-by-step instructions for major components

Special Tool Usage:

Identification and application of specialized tools for Norton motorcycles

Valve Timing Procedures:

Detailed instructions on setting valve timing, including chain and sprocket alignment marks.

Tensioner Adjustments:

Specific procedures for adjusting primary chain tensioner and other relevant tensioning mechanisms.

Chain Routing Sprocket:

Guidance on correct chain routing and sprocket alignment for proper timing and operation.

Technical Depth

Detail Level:

Highly detailed, suitable for professional mechanics and experienced DIY enthusiasts

Diagnostic Capability:

Extensive troubleshooting guides for common and complex issues

Rebuild Instructions:

Comprehensive rebuild procedures for all major assemblies

Torque Specifications:

Extensive listing of tightening torques for all critical fasteners and engine components.

📊 Manual Specifications

File Format

Document Type:

Digital (PDF)

Print Quality

Printability:

All pages printable, allowing users to print only necessary sections

Binding Type

Digital Access:

Downloadable, unlimited use, no expiry

Paper Type

Digital Media:

High-resolution digital document with clear images and diagrams

⚙️ Engine Specifications

Primary Engine

Engine Displacement:

848 cc (850 cc)

Engine Configuration:

Parallel-Twin, Air-Cooled

Performance

Horsepower:

Approx. 51-54 bhp (depending on specific tune and model year variation)

Torque:

Approx. 51 lb-ft (depending on specific tune and model year variation)

Fuel System

Carburetion:

Typically twin 30mm or 32mm Amal Concentric carburetors

Engine Lubrication

Oil Type Specification:

API SG or equivalent (e.g., 20W-50 motorcycle specific oil)

Engine Timing

Valve Timing:

Specific lift and duration timings detailed in manual, including intake and exhaust port timing

Engine Rebuild Details

Piston Ring Gap:

Specific clearances for piston rings provided

Connecting Rod Bearings:

Clearances and torque specifications for connecting rod bearings

🔧 Transmission

Standard

Transmission Type:

4-Speed Constant Mesh

Clutch Type:

Multi-plate Wet Clutch

Features

Gearbox Maintenance:

Gearbox oil type and capacity, inspection, and repair procedures

📐 Dimensions

Weights

Dry Weight:

Approx. 400-450 lbs (181-204 kg) depending on configuration

Fuel Tank Capacity:

Approx. 4.0 Imperial Gallons (18.2 Liters)

🛡️ Safety Features

Ratings

Crash Safety:

Not applicable to vintage motorcycles in the same way as modern cars; manual focuses on mechanical safety and proper operation.

Active Features

Braking System:

Dual disc front brake, single disc or drum rear brake (model dependent), emphasizing correct fluid and pad maintenance.

💡 Technology Features

Infotainment

Instrumentation:

Analog speedometer, tachometer, ammeter, and indicator lights.

Driver Assistance

Electric Start:

The Mark III introduced electric start as a significant feature, covered in detail for maintenance and troubleshooting.

Connectivity

Wiring Diagrams:

Detailed and comprehensive wiring diagrams for the entire electrical system, crucial for diagnostics and modifications.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 2,000-3,000 miles or 6 months, whichever comes first (refer to manual for exact specification).

Chain Lubrication Adjustment:

Recommended at regular intervals, often every 500 miles or after washing/wet riding.

Fluid Specifications

Brake Fluid:

DOT 3 or DOT 4 (depending on original specification, consult manual for confirmation).

Transmission Oil:

Gearbox oil specific to classic motorcycles (e.g., SAE 80W-90, refer to manual).

Known Issues

Common Wear Items:

Gaskets, seals, clutch plates, primary chain tensioner, electrical connections, NORMATIC seal wear.

Troubleshooting Focus:

Manual provides solutions for common issues like oil leaks, starting problems, and carburetor tuning.

📚 Vehicle History

Brand Heritage

Manufacturer Legacy:

Norton Motorcycles, a historic British marque renowned for performance and sporting motorcycles.

Model Evolution

Commando Development:

The Mark III represented a significant evolution of the Commando line, introducing features like electric starting and the NORMATIC front fork system.

Production

Production Era:

1973-1977 for the Commando range, with the Mark III specifically produced from late 1973/early 1974 through 1977.

🏆 Awards & Recognition

Recognitions

Model Reputation:

The Norton Commando is widely regarded as a classic motorcycle icon, celebrated for its performance and handling in its era.