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By Mark M
#57899
555, there is a 500 engine and gearbox for sale on the REOC website, £850 if you're interested.

REgards, Mark
By simon
#57916
I had an old 350 that did that and it cost me a fortune before i split the crank to dscover the bigend oilway was totally blocked. Someone had replaced the whitemetal bush with a roller bearing but not cleared out the oilway. Never a problem after that was sorted.

Shop for accessories at Hitchcocks Motorcycles