Yamaha WR426 popping
Posted June 21, 2015 - 02:46 PM
Posted June 23, 2015 - 01:11 PM
Before you go tweaking the carb at all, be sure the exhaust joints from the head back to the silencer are sealing adequately. You start chasing an exhaust backfire around with the carb when it's really being caused by an air leak and you'll end up with a bike that runs dirty rich and pops anyway.