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INSTRUCTION BOOK
MATCHLESS
SINGLE CYLINDER
Model G3
Model G3S
Model G80
TWIN CYLINDER
Model G12
Model G12CSR 650 c.c. O.H.V. Sports
MATCHLESS M O T O R CYCLES L T D
350 c.c. O.H.V.
350 c.c. O.H.V. Sports
500 c.c. O.H.V.
650 c.c. O.H.V.
Issued by:
:
L O N D O N S.E.18

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Table of Contents
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Summarization of Contents

Driving and Engine Operation
Fuel Supply Management
Details on fuel tap operation, reserve fuel, and turning off supply.
Engine Starting Procedures
Instructions for starting cold engine for single and twin cylinder models.
On Road Riding Operations
Engaging gears, throttle control, and general riding advice.
Engine Running-In Guidelines
Guidelines for new engine break-in period to ensure reliability and performance.
Lubricants and Oil Recommendations
Gear Box Lubrication Recommendations
Recommended oils for gear box based on temperature conditions.
Engine Lubrication Recommendations
Recommended oils for engine lubrication based on temperature conditions.
Periodic Maintenance Schedule
Maintenance Task Intervals
Daily, weekly, and mileage-based maintenance tasks for the machine.
Engine Service Procedures
Tappet Adjustment for Singles
Procedure for adjusting tappet clearances on single cylinder models.
Overhead Rocker Adjustment for Twins
Adjusting rocker clearances for twin cylinder models.
Valve Grinding Process
Process for grinding valves to ensure proper seating and seal.
Carburetter Service and Tuning
Carburetter Function and Adjustment
Explanation of carburettor operation, mixture control, and idling adjustment.
Transmission System Service
Gear Box Operation and Removal
Details on gear selection, foot change operation, and gearbox cover removal.
Clutch Mechanism Adjustment
Adjusting clutch spring and operating mechanism for proper engagement.
Wheels and Brakes Service
Front Wheel Service Procedures
Procedures for removing, fitting, and servicing the front wheel.
Rear Wheel Service Procedures
Procedures for removing, fitting, and servicing the rear wheel.
Brake Shoe Adjustment
Adjusting front and rear brake shoes for optimal performance.
Electrical System Service
Lucas A.C. Lighting-Ignition Unit
Description and maintenance of the alternator and ignition system.
Magneto Ignition System Details
Details on magneto ignition, contact breaker, and timing.
Battery Maintenance and Charging
Information on battery types, fitting, charging, and topping up.
Useful Information for Owners
Troubleshooting Common Issues
Troubleshooting guide for common engine and running issues.
Repairs and Parts Service
Repair Policy and Parts Ordering
Guidelines for sending parts for repair and ordering spares.
Tools and Special Equipment
Standard Tool Kit Contents
List of tools included in the standard kit for maintenance.
Guarantee Information
New Machine Guarantee Terms
Conditions and limitations of the new machine guarantee.

Table of Contents