BSA Front Wheel Drive Club

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Mike Scott-Coomber has produced a service manual for the BSA Front Wheel Drive Three Wheeler. The manual is also relevant to owners of BSA Front Wheel Drive Scouts and other 4-wheel drive cars as many share the same or similar mechanical arrangement. The contents are reproduced below. The manual includes extensive photographs and diagrams. Of course if you want to read the manual, you’ll have to buy a copy!

CONTENTS Issue 2 - Vee Twin & 4 Cylinder Trike

SECTION 1 - General
The Manual & Acknowledgements
BSA Three Wheelers
Models and changes.
FWDC Members Services.
Tools and workshop equipment
Does and Don’ts
Unleaded Petrol
SECTION 2 - Engine details
Vee Twin Engine description and weak points.
Vee Twin modifications.
4 Cylinder Engine description and weak points
4 Cylinder Engine modifications.
SECTION 3 - Engine and Transmission strip.
Engine and Gear Box removal
Parting the gear box
Clutch removal and repair
SECTION 4 - Vee Twin Engine
Vee Twin Engine Strip
Wear to replace or repair
Modifications
Rebuild Engine
SECTION 5 - 4 Cylinder Engine
4 Cylinder Engine Strip
Wear:- to replace or repair
Modifications
Rebuild Engine

SECTION 6 - Tappets
Vee Twin Tappet setting
4 Cylinder Tappet Setting
SECTION 7 - Carburettors
Vee Twin set-up
Mixture balance
Twin Carbs on Vee Twins
4 cylinder set-up
Carb. Adjustments
SECTION 8 - Distributors & Ignition
Distributor fitting and timing Vee Twin
Distributor fitting and timing 4 Cylinder
Ignition Coils
Spark Plugs
SECTION 9 Starter Motors and Dynamos
Fitting Starter Motors
Fitting Dynamos
SECTION 10 - Gear Box & Diff
Gear Box and Differential Strip
Wear to replace or repair
Modifications
Gear Box Assembly
Gear Box refitting
Gear Change rod fitting
SECTION 11 - Engine/Gear Box fitting
Engine & Gear Box install in frame
Exhaust systems
Fuel lines
First run
More on Ignition timing (Vee Twins )

SECTION 12 - Hubs, Transmission & Steering
Swivels
Universals
Re-Assembly
Spiders and Flex Couplings
Steering Box
Track rods and Drop Arm Ends
Steering Angle - (Castor)
SECTION 13 - Suspension
Front Springs
Front Dampers
Chassis Frame
Rear Spring
Rear Swinging Arm
Rear Damper
Brake Setting
Wheels/Tyres Stability
SECTION 14 - Electrics
Dynamos
Wiring circuits
12 Volt Conversions
Control boxes
General Equipment
General Wiring Diagrams
SECTION 15 - Appendix
Bearing Sizes and Types
Oils & Greasing
Piston Alternatives
Large Spanner Sizes
Assembly Drawings