Yamaha Ignition Stutter at light load – Notice the frequency of ignition spikes from 1 to 3 seconds in spacing

Yamaha Ignition Stutter at light load – Notice the frequency of ignition spikes from 1 to 3 seconds in spacing

Yamaha Ignition Stutter at light load – Notice the frequency of ignition spikes from 1 to 3 seconds in spacing

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