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TROUBLE
CAUSE REMEDY
Engine will not
start.
1. Engine flooded.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carbur etor.
5. Compression low.
1. See “Starting a Flooded Engine”
in Operation section.
2. Fill tank wi th corr ect fuel mixture.
3. Inst a ll new spark plug.
4. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
5. Contact a n authorized service dealer.
Engine will not
idle proper ly.
1. Fuel not reaching
carbur etor.
2. Carburet or requires
adjustment.
3. Crankshaft seals worn.
4. Compression low.
1. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
2. See “Carburetor Idle Speed Adjustment”
in Se rvice and Adjustments Section.
3. Contact a n authorized service dealer
4. Contact a n authorized service dealer.
1. Air filter dir ty.
2. Fuel not reaching
carbur etor.
3. Spark plug fouled.
4. Carburetor requires
adjustment.
5. Carbon build up.
6. Compression low.
Engine will not
accelerate,
lacks power, or
dies under a
load.
1. Clean or replace air filter.
2. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
3. Clean or replace spark plug
and re-gap.
4. Contact a n authorize d servi ce dealer.
5. Contact a n authorize d servi ce dealer.
6. Contact a n authorize d servi ce dealer.
Engine smokes
exce ssively.
1. Choke partially on.
2. Fuel mixtur e incorr ect.
3. Air filter dirt y.
4. Carburetor requires
adjustment.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Clean or replace air filter.
4. Contact a n authorized service dealer.
Engine runs hot.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build up.
1. See “Fueling Engine” in Oper ation
section.
2. Replace with correct spark plug.
3. Contact a n authorized service dealer.
4. Contact a n authorized service dealer.
TROUBLESHOOTING TAB LE
WARNING: Al ways stop unit an d disconnect spark pl ug before perfor ming any of the
reco mmended remedies below other than remedies t hat require operati on of the unit.