biffco Posted July 6, 2017 Report Share Posted July 6, 2017 I have just found out that where I thought I had a 250 MAR, it is in fact a 350. Last year I brought a new Minuki carb for the bike but spec'ed for a 250. What jets and setting should I change too?? i have noticed the bike has a low down flat spot , so hopefully this is the reason why?! Quote Link to comment Share on other sites More sharing options...
lotus54 Posted July 6, 2017 Report Share Posted July 6, 2017 Is it a rich or lean flat spot? You could try changing idle mixture and see if any difference, then raising the needle (lower the circlip) and see if it gets better or worse. Quote Link to comment Share on other sites More sharing options...
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