ady witting Posted August 8, 2022 Report Share Posted August 8, 2022 Hi, I have a TY250 mono with a pro monty front pipe and sammy miller back box and rebored to 261cc with wossner piston, just wondering if there is a carb upgrade from the original as can not get it to run right always running on when it gets hot tried cleaning carb out I have left jetting as it was. If there is a carb upgrade where to buy one from Quote Link to comment Share on other sites More sharing options...
mcman56 Posted August 10, 2022 Report Share Posted August 10, 2022 These guys can probably help http://www.mid-atlantictrials.com/TY-Yamaha.html Quote Link to comment Share on other sites More sharing options...
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