SKU 65588 For technical questions, please call 1-800-444-3353. Page 16

troubleshooting

problem possible causes probable solutions

engine knocks Old or low quality gasoline. 1.
Engine overloaded. 2.
Incorrect spark timing, deposit 3.
buildup, worn engine, or other
mechanical problems.
Fill fuel tank with fresh 89+ octane 1.
unleaded gasoline.
Do not exceed equipment’s load 2.
rating.
Have qualied technician diagnose 3.
and service engine.
Engine backres Impure or low quality gasoline. 1.
Engine too cold. 2.
Choke not open after engine warm. 3.
Engine not properly adjusted for 4.
high altitude operation.
Intake valve stuck, choke stuck, 5.
incorrect timing, clogged carburetor,
or overheated engine.
Fill fuel tank with fresh 89+ octane 1.
unleaded gasoline.
Use cold weather fuel and oil 2.
additives to prevent backring.
Move choke to run position after 3.
engine warms up.
Qualied technician must adjust 4.
engine at altitudes greater than
5,000 feet above sea level.
Have qualied technician diagnose 5.
and service engine.

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.