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TROUBLE
CAUSE REMEDY
Engine w ill not
start.
1. Engine flooded.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not r eaching
carburetor .
5. Compression low.
1. See “Starting a Flooded Engine”
in Operation section.
2. Fill tank with correct fuel mixture.
3. Install new spark plug.
4. Check for dirty fuel filter; replace.
Check f or kinked or split fuel line;
repair or replace.
5. Contact an authorized service dealer.
Engine w ill not
idle properly.
1. Fuel not r eaching
carburetor .
2. Carburetor requires
adjustment.
3. Crankshaft seals worn.
4. Compression low.
1. Check for dirty fuel filter; replace.
Check f or kinked or split fuel line;
repair or replace.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer
4. Contact an authorized service dealer.
1. Air filter dirty .
2. Fuel not r eaching
carburetor.
3. Spark plug fouled.
4. Carburetor requires
adjustment.
5. Carbon build up.
6. Compression low.
Engine w ill 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 an a uthorized service dealer .
5. Contact an a uthorized service dealer .
6. Contact an a uthorized service dealer .
Engine smokes
excessively .
1. Choke partially on.
2. Fuel mixture incorrect.
3. Air filter dirty .
4. Carburetor r equires
adjustment.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Clean or replace air filter.
4. Contact an authorized service dealer.
Engine r uns hot.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor r equires
adjustment.
4. Carbon build up.
1. See “Fueling Engine” in Operation
section.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
TROUBLESHOOTING TABLE
WARNING: A lways stop unit and d isconnect spark plug be fore performing any of the
recommended remedies below other than remedies that require operation of the unit.