14
TROUBLE SHOOTING
Problem Cause Remedy
1. Tines don’t turn when throttle
is depressed
• Engine is not seated properly on the gear
housing.
• Re-install engine following the instructions
on page 12 (How to reseat the flange).
2. Engine fails to start
• o/I switch is in “o” position.
• No fuel in tank.
• Fuel strainer clogged.
• Fuel line clogged.
• Spark plug shorted or fouled.
• Spark plug is broken (cracked
porcelain or electrodes broken)
• Ignition lead wire shorted, broken or
disconnected from spark plug.
• Ignition inoperative
• Move switch to “I.”
• Fill Tank.
• Replace Strainer.
• Clean fuel line.
• Install new spark plug.
• Replace spark plug.
• Replace lead wire or attach to spark plug.
• Contact your local authorized dealer.
3. Engine hard to start. • Water in gasoline or stale fuel mixture.
• Too much oil in fuel mixture.
• Engine under or over choked.
• Carburetor out of adjustment.
• Gasket leaks (carburetor or cylinder
base gasket).
• Weak spark at spark plug.
• Drain entire system and refill with
fresh fuel.
• Drain and refill with correct mixture.
• If flooded by over choking, proceed
according to instructions in operation
section. If under choked, move choke
lever to closed position and crank two or
three times.
• See “Carburetor Adjustment.”
• Replace gaskets.
• Contact your local authorized dealer.
4. Engine continuously floods. • Fuel tank vent line is not in an
upright position.
• Return the fuel tank vent line to the
upright position and place it under the
cylinder cover in the small “pocket” in
the cylinder cover
5. There is black smoke coming from
exhaust
• The muffler screen is clogged • Clean carbon from muffler screen (page 12)
6. Engine misses. • Dirt in fuel line or carburetor.
• Carburetor improperly adjusted.
• Spark plug fouled, broken or incorrect
gap setting.
• Weak or intermittent spark at spark plug.
• Remove and clean.
• See “Carburetor Adjustment.”
• Clean or replace spark plug - set
gap to
.024-.028 in. (0.6-0.7 mm)
• Contact your local authorized dealer.
7. Engine lacks power. • Air filter clogged.
• Carburetor out of adjustment.
• Muffler clogged.
• Clogged exhaust ports.
• Spark Arrestor Clogged.
• Poor compression.
• Clean or replace air filter.
• See “Carburetor Adjustment”.
• Clean carbon from muffler.
• Remove muffler, rotate engine until the
piston is at top of cylinder. With a
wooden scraper or blunt tool, remove all
carbon from exhaust ports. Be careful not
to scratch or damage piston or cylinder
walls. Blow out all loose carbon with
compressed air. Install muffler and gasket.
• Clean Spark Arrestor
• Contact your local authorized dealer.
8. Engine overheats. • Insufficient oil in fuel mixture
• Air flow obstructed
• Mix fuel as described in starting
instructions.
• Clean flywheel cylinder fins and screen.
9. Engine noisy or knocking. • Spark plug in incorrect heat range.
• Bearings, piston ring or cylinder walls
are worn.
• Replace with plugs specified for engine.
• Contact your local authorized dealer.
10. Engine stalls under load. • Carburetor adjustment too “lean.”
• Engine overheats.
• See “Carburetor Adjustment.”
• Remove dust and dirt from between fins.
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