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problem
engine knocks
Engine backfires
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.
pLease read tHe FoLLowIng careFuLLY
THE mAnUfACTURER AnD/OR DiSTRiBUTOR HAS pROviDED THE pARTS LiST AnD ASSEmBLy
DiAGRAm in THiS mAnUAL AS A REfEREnCE TOOL OnLy. nEiTHER THE mAnUfACTURER OR
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT
HE OR SHE iS QUALifiED TO mAkE Any REpAiRS TO THE pRODUCT, OR THAT HE OR SHE iS
QUALifiED TO REpLACE Any pARTS Of THE pRODUCT. in fACT, THE mAnUfACTURER AnD/
OR DiSTRiBUTOR ExpRESSLy STATES THAT ALL REpAiRS AnD pARTS REpLACEmEnTS SHOULD
BE UnDERTAkEn By CERTifiED AnD LiCEnSED TECHniCiAnS, AnD nOT By THE BUyER. THE
BUyER ASSUmES ALL RiSk AnD LiABiLiTy ARiSinG OUT Of HiS OR HER REpAiRS TO THE
ORiGinAL pRODUCT OR REpLACEmEnT pARTS THERETO, OR ARiSinG OUT Of HiS OR HER
inSTALLATiOn Of REpLACEmEnT pARTS THERETO.
SKU 65588
For technical questions, please call 1-800-444-3353.
troubleshooting
possible causes
1.
Old or low quality gasoline.
2.
Engine overloaded.
3.
Incorrect spark timing, deposit
buildup, worn engine, or other
mechanical problems.
1.
Impure or low quality gasoline.
2.
Engine too cold.
3.
Choke not open after engine warm.
4.
Engine not properly adjusted for
high altitude operation.
5.
Intake valve stuck, choke stuck,
incorrect timing, clogged carburetor,
or overheated engine.
probable solutions
1.
Fill fuel tank with fresh 89+ octane
unleaded gasoline.
2.
Do not exceed equipment's load
rating.
3.
Have qualified technician diagnose
and service engine.
1.
Fill fuel tank with fresh 89+ octane
unleaded gasoline.
2.
Use cold weather fuel and oil
additives to prevent backfiring.
3.
Move choke to run position after
engine warms up.
4.
Qualified technician must adjust
engine at altitudes greater than
5,000 feet above sea level.
5.
Have qualified technician diagnose
and service engine.
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