scifi Posted December 23, 2017 Report Share Posted December 23, 2017 Hi, I know this seems strange, but what CC are Ossa MARs? I have one that I have used for a couple of years, and always assumed it was 250, but could it be a 350? It does seem to pull very well, so how can I tell, without measuring the Bore and Stroke. . Quote Link to comment Share on other sites More sharing options...
trialsrfun Posted December 23, 2017 Report Share Posted December 23, 2017 The OSSA Pennine was 230cc, MAR 250 or 310 as an option on the later models. Quote Link to comment Share on other sites More sharing options...
2stroke4stroke Posted December 23, 2017 Report Share Posted December 23, 2017 This may assist http://www.trialscentral.com/forums/topic/53359-ossa-engine-size/ 1 Quote Link to comment Share on other sites More sharing options...
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