PH1 Posted May 22, 2021 Report Share Posted May 22, 2021 Hi I have just bought an ossa 250 mar . I have a frame number beginning B 223 and wondered if any one can date the bike for me . Many thanks Quote Link to comment Share on other sites More sharing options...
feetupfun Posted May 24, 2021 Report Share Posted May 24, 2021 Using the number is not that easy. If you post a photo showing the head and cylinder finning and the type of connection for the carby you will probably get an ID on the cylinder and head. The ID number for the bottom end of the motor is usually on one of the front engine mounting lugs. Quote Link to comment Share on other sites More sharing options...
SynchromeshBoulevard Posted May 24, 2021 Report Share Posted May 24, 2021 Hi PH1, I have just bought one also and found this website useful when checking my serials, OSSA MODELS REFERENCE LIST (2y.net) http://ossa.2y.net/ossa/reference/ossaref.html Hopefully the links work, if not copy and paste the second one into your browser, Regards Quote Link to comment Share on other sites More sharing options...
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