BSA Basic Reference
Basic BSA Cross Reference Charts
The chart below shows model name, year, 2 or 4 stroke, NGK spark plug, spark plug gap, Yuasa battery, engine oil capacity, drive chain or belt size, chain length and curb weight for BSA motorcycles. It is sorted first by cc’s, then alphabetically by name.
Classic BSA Motorcycles
Model | Years | Stroke | NGK Spark Plug |
Plug Gap | Yuasa Battery |
Engine Oil Capacity |
DriveChain or Belt |
Chain Length |
Curb Weight |
Spitfire MK II 650 Special | 1966 | 4 | 382 | ||||||
BSA Motorcycle Sprocket, Tire and Pressure Chart
The chart below shows model name, year, front and rear sprocket size, front and rear tire size and front and rear tire pressures (in psi) for a single rider and rider with a passenger.
Model | Years | Front Sprocket |
Rear Sprocket |
Front Tire | F. Pressure Single |
F. Pressure Double |
Rear Tire | R. Pressure Single |
R. Pressure Double |
Spitfire MK II 650 Special | 1966 | 3.25/19 | 4.00/18 | ||||||
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