Yamaha WR Stutter at Light Load – Spikes are ignition stutter recorded by the dyno electronics at low throttle

Yamaha WR Stutter at Light Load – Spikes are ignition stutter recorded by the dyno electronics at low throttle

Yamaha WR Stutter at Light Load – Spikes are ignition stutter recorded by the dyno electronics at low throttle

YAMAHA IGNITION STUTTER IS NOT A JETTING PROBLEM! TRY DISCONNECTING THE THROTTLE POSITION SENSOR (TPS)AND COMPARE RESULTS – ELECTRONICS PLUG FROM THE CARBURETOR