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6-7-06 - Fifth Proof
5-6
Troubleshooting
Engine Runs But Misses • Dirt or water in the fuel
system.
• Drain fuel system and
replace with fresh, clean fuel.
• Spark plug lead disconnected • Check to make sure that both
spark plug leads are securely
attached to the spark plug
and that they are not
damaged.
• Poor quality of fuel. • Drain fuel system and
replace with fresh, clean fuel.
• Faulty spark plug(s). • Replace spark plugs.
• Loose wires or connections
that intermittently ground the
ignition kill circuit.
• Tighten connections.
• Engine overheated. • Clean cooling fins and
remove any debris from
around engine.
• Faulty ignition module or
incorrect air gap.
• See engine manual.
• Carburetor adjusted
incorrectly.
• See engine manual.
•SMART-SPARK™
malfunction (applicable
models).
• See engine manual.
Engine Will Not Idle • Dirt or water in the fuel
system.
• Drain fuel system and
replace with fresh, clean fuel.
• Stale fuel and/or gum in
carburetor.
• Drain fuel system and
replace with fresh, clean fuel.
• See engine manual.
• Faulty spark plugs. • Replace spark plugs.
• Fuel supply inadequate. • Fill fuel tanks.
• Open both fuel valves.
• Open vent on fuel tank cap.
• Clean or replace fuel lines.
Problem Possible Causes Corrective Action