86
④
Too many lube
⑤
Problem or blocked in Injector
⑥
Low-pressure in hight-pressure
fuel pump
Clean or Change
Adjust or Change
2. Electrical parts
problem
①
Dirt on plug
②
Gap of plug not correct
③
Ignition loop problem
④
ECU problem
⑤
Magneto problem
Clean or Change
Change or Adjust
Change
Change
Change
Engine power
is not enough
3.Mechanical
problem
①
Gap of Valve is not correct
②
The force of valve spring is
weak.
③
Air circulation is not right.
④
Cylinder worn out
⑤
Piston Ring worn out
⑥
Valve base not correct
⑦
Swing arm or cam shaft worn
out
Change operation method
Check, remove or change
Adjust
Change
Change
Change or repair
Change
Engine
overheats
1. Fuel system fault
①
Octane number is lower
②
Fuel pass blocked
③
Fuel pump problem
Use the right fuel
Clean the fuel pass
Change