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Troubleshooting, Engine will not start, Warning – Briggs & Stratton 470000 User Manual

Page 6: Engine is smoking or running rough

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6

Troubleshooting

Engine Will Not Start

Out of Fuel

• Add fuel to tank.
• Prime engine.
• Open shut-off valve

Engine Flooded

• Set choke (if equipped) to OPEN/RUN position,

throttle to FAST and crank engine.

Spark Plug Fouling

• Check to ensure the spark plug is clean. Check

the gap with a wire gage and reset to .51 mm or

.020 in. if necessary.

• Replace the spark plug if the electrode is burned

or worn.

DO NOT OVERFILL. Overfilling may cause

smoking, hard starting, spark plug fouling or oil

saturation of air filter.

CAUTION

• Ensure fuel cap is in place before

starting engine

• Turn engine OFF and let engine

cool at least 2 minutes before

removing fuel cap.

• Check fuel lines, tank, cap, and

fittings frequently for cracks or

leaks. Replace if necessary.

• Do not crank engine with spark plug

removed.

WARNING

If engine is tipped to transport equipment, to

remove debris, to drain oil, etc., keep the spark

plug side of engine up.

CAUTION

Engine is Smoking or Running

Rough

Engine may have been tipped during

transport.

• Check for fouled spark plug.
• Check air cleaner filter. If filter is dirty see the

Maintenance section of this manual.

Need assistance? 1-800-233-3723

(USA and Canada ONLY, Pre-recorded message.)

www.briggsandstratton.com