Owner`s manual

87
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
Adjust
Change
Change
Change or repair
Change
1. Fuel system fault ① Octane number is lower
② Fuel pass blocked
③ Fuel pump problem
④ Fuel level in floater is lower
Use the right fuel
Clean the fuel pass
Change
Adjust the height of floater
2. Electric System
problem
① Ignition time is late or early
②Spark is weak or no spark
Adjust ignition time
Check from plug to magneto
3. Air pass problem ① Air mixture is too thick or thin
② Leakage on engine
③ Air filter is dirty
④ Cylinder, piston, ring worn out
⑤ Leakages on connecting face
⑥ Block in exhaust pipe
⑦ Leakage on Air inlet pipe
Adjust carburetor
Repair
Clean or change filter
Repair or change
Repair or change
Dredge
Repair or change
Engine
overheats
4. Engine cooling
system
① Block in water channel or radiator
② Air in Cooling system or coolant is
Clear
Release air, refill