Sanyang jetsl 150 Front Jitter

Sanyang jetsl 150 nose jitter, dirty throttle or excessive carbon deposition in injector.

1, engine carbon deposit is serious: the throttle valve is too dirty or the fuel injector has too much carbon deposit.

2. Ignition system problem: the high-voltage wire and ignition coil are not easy to use, and the spark plug is not easy to use.

3. Unstable oil pressure: abnormal oil supply pressure of oil pump or incorrect value of intake pressure sensor.

4. Aging of engine parts: aging of engine feet.