British classic J.A.P engine bike

[B.s.AliaZ]

I have an J.A.P engine 600cc Sidevalve model 1928 with serial number:(uc/c 86405s).very good condition beacuse this engine is new and not use until now.(important:on the timing cap is a circle Gold plaque with this writes-R.A.LISTER@CO.LTD  L40).Now i sale it,with a good offer.    

[Dirt_Track]

G'day B.s.AliaZ
Sorry to inform you that this JAP motor is not for a motorcycle at all, made especially for the "Lister Autotruck"....a 3 wheeled industrial truck.
The good news is that some parts would be interchangeable with a motorcycle engine.
Not sure of its value but somewhere around £100.
Howard.