Replacement Part List
Owner’s Manual
- 19 -
2) Lack of Power
Description
Cause
Countermeasure
Compression is
normal and no
misfire
1) Clogged element
Clean
2) Air penetration from
carburetor joint
Tighten
3) Faulty fuel
Replace
4) Engine overheating
Cool down, avoid long
time operation in high
speed or overloading
5) Muffler choked with
carbon
Clean
6) Carbon deposited on
the exhaust port of
cylinder
Clean
Overheating
1) Fuel too lean
Adjust carburetor
2) Carbon deposited in
the cylinder
Clean
3) Poor lubrication
Use 2-stroke engine oil,
adjust fuel ratio
4) Clogging of cylinder
fin with dust
Clean
Abnormal knocking
sound
1) Carbon deposited in
the combustion
chamber
Clean
2) Running parts worn
out
Check and replace