All-Power SP-GMK049, Owner'S Manual, Page: 19 / 26

TROUBLESHOOTING GUIDE
2) Lack of Power
Trouble
The compression is fine and has spark
Causes
1.Air in the fuel valve
2.Air leak in carburetor connection
3.Fuel mixed with water
4.The filter plate is clogged
5.Muffler clogged
Trouble
Engine overheats
Causes
1.Fuel is too thin
2.Cylinder is covered with carbon
Trouble
Engine is noisy or knocking
Causes
1. Bad Fuel
2. Combustion chamber dirty
3. Running parts worn
3) Engine stops while running
Trouble
Engine stops abrubtly
Causes
1. The piston jam
2. Carbon deposit in plug/short circuit
3. Magneto damaged
17
Fix
Tighten it
Change the gasket or tighten it
Change the fuel
Clean
Clean
Fix
Adjust the carburetor
Clean
Fix
Replace
Clean
Check and replace
Fix
Repair or replace
Clean
Repair or replace