larry s. k. Posted March 3, 2020 Report Share Posted March 3, 2020 I have 192 pursang short block , needs cylinder , is it possible to use a pursang 120 cylinder , both are 250 . Has any body attempted this Quote Link to comment Share on other sites More sharing options...
bullylover Posted March 3, 2020 Report Share Posted March 3, 2020 It was either the M192 or the M206 that Bultaco changed the stroke to 64mm. I`m not sure which model it was. Graham. Quote Link to comment Share on other sites More sharing options...
larry s. k. Posted March 3, 2020 Author Report Share Posted March 3, 2020 Ho , i will measure that ,thanks 1 Quote Link to comment Share on other sites More sharing options...
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