Posted: Sat Aug 18, 2012 7:30 am Post subject: J.A.P. parts
Greetings from Finland
I apologize for my bad English language and Google translater.
I am restoring the old model of 1930 years Stylson RD motorcycle.
The engine in the bike is J.A.P. POY/W 927988 250 cc 62,5 X 80 9,2 hv / 4800 1/min.
I have troubles to find the parts for the engine.
The engine is missing one of the push rod, oversize piston and crankshaft bearings must be replaced.
Lenth of the pushrod is 280 mm with ends and diameter is 8,2 mm.
Connecting rod and crankshaft left hand side bearings would be good to get decent.
I have also not found any engine parts book or other information.
I have inquired the parts from Finland, and in many places abroad,
whether it would be JAP people in England because JAP is a British engine.
If someone with the same bike reads this I'd be interested to take contact
when I have not found a lot of information about this bike.
I am also interested in Burman Modell SM MO 40638 MIV or Modell R gearbox parts.
Last edited by MarkkuJ on Sun Aug 19, 2012 10:08 am; edited 1 time in total
Hello and thank you for the tips.
I have found the parts but I have not had time to look for the piston.
I'm not a millionaire and the piston is not in a hurry,we have to forget the
I think that the pushrod finds from VW tuning parts firm.
Crankshaft bearing parts have started to do so that thing is OK.
The gearbox parts is a difficult thing.
In ebay was one for sale but it was someone who want in more than I,looked bad out and the price rose to 401 €.
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