See also:

Fuel
Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...

Checking the clutch function
Check the clutch engagement and disengagement. 1. With the engine idling, check that there are no abnormal noises when the clutch pedal is depressed, and that shifting into 1st or reverse feels smo ...

Recommended spark plugs
Refer to “Electrical system” F12-8. ...