smelling123 Posted June 24, 2014 Report Share Posted June 24, 2014 Anyone know the correct compression ratio for a 199b? Quote Link to comment Share on other sites More sharing options...
p@ul250 Posted June 25, 2014 Report Share Posted June 25, 2014 According the the Bultaco UK manual I have, it should by 9:1. But I can't vouch for how specific it is as it says that it covers all 5 speed's. If you ring Dave at Bultco UK 01784 440033 ( very friendly & helpful) I'm sure he will give you all the info you could need. Quote Link to comment Share on other sites More sharing options...
smelling123 Posted June 25, 2014 Author Report Share Posted June 25, 2014 Thanks Paul Quote Link to comment Share on other sites More sharing options...
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