Originally Posted by jonesy
I did a bit of looking around and it may be a type 5 or 6, around 1946-47 possibly, it is missing the cooling coweling but is mostly all there and original as far as I can tell, will get to wash it down over the next couple of days and get some clean photos so this might help someone with info, there is other case markings on it someware also.


Model 0 (34cc) Two Stroke

Model 2A (98cc) Four Stroke

Model 2S (98cc) Four Stroke

Model 4F (186cc) Four Stroke

Model 4/2 (245cc) 2.4bhp @ 2400rpm, Wico Mag A576BZ Four Stroke

Model 4/3 (288cc) 3.5bhp @ 2400rpm, Wico Mag CJ936 Four Stroke

Model 5 (412cc) 4.5bhp @ 2200rpm, Wico Mag CJ936 Four Stroke

Model 6 (588cc) 5.5bhp @ 1800rpm, Wico Mag CJ936 Four Stroke

Model 55 (824cc) (V-twin) 8bhp @ 2000rpm, Wico Mag Four Stroke

JAP was later sold to Norton Villiers

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