BSA Winged Wheel W1 - Technical Data

TECHNICAL DATA.
Petrol tank capacity (approx.) Hal! gallon
“Petroil” mixture Half galion petrot and two
measures oil (20 to 1).
Gearcase capacity One-eighth pint (1; measures)
Bore 36mm.
Stroke 34mm.
Capacity (swept volume) 3501:.
Piston ring gap .OOGIVOIOin.
Ignition timing Pistnn distance before top dead
centre (Ldn) with points just opening 5/32in.
Plug point gap 020m. to .0221n. (.Slmm‘mjfimm.)
Contact breaker point settmg .OISin.
Gear ratio 18‘? to 1
Rear tyre 26in. x liin. (Dunlap Carrier)
Rear tyre pressure (lb ) 40 43 46 49 52 55
Rider's weight (stones) 7 B 9 IO H 12
Carburetter type Amal 335]]
Standard jet ‘27
jet needle position Centre notch
Dry weight of engine and wheel 26in).
Dry weight of petrol tanklcan'ier 3ilb.
Correct bulbs to use r Front Vamp 6v. 6w
when lamps are fitted {Rear lamp 6v .45A or .SA