Ariens 291cc Series User Manual

ARIENS GEN II 136cc / 179cc / 208cc / 254cc / 291cc / 306cc / 414cc Snow Engine Manual 12rev. 02/13/13
SPARK PLUG MAINTENANCE
F6RTC (Torch) Plug Recommended / F6RTP (Platinum) Optional
Cross References:
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! NOTICE
Using an incorrect spark plug may cause engine damage.
Changing the Spark Plug
The heater box may be hot and must be allowed to cool completely before touching.
Muffler and components inside heat shield may be HOT! Allow to cool before servicing the
spark plug or any area inside the heat shield.
1. When engine is cool, remove safety key switch.
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3. Remove the spark plug with a 13/16-inch spark plug wrench.
4. Inspect the spark plug. Replace it if the electrodes are worn or if the insulator is cracked or chipped. Spark plug gap should be set
to 0.027 - 0.030 inches.
5. Install the spark plug carefully to avoid cross threading. Screw in spark plug by hand until it stops turning.
6. Tighten the spark plug with a 13/16-inch spark plug wrench. Tighten 1/4 turn after the spark plug seats.
! NOTICE
A loose spark plug can overheat and damage the engine. Over-tightening the spark plug can damage the threads in the cylinder head.
7. Attach the spark plug cap. Ensure spark plug cap snaps into place securely.
8. Reinstall Safety Key Switch before attempting to start engine.
Servicing Your Engine $0/5*/6&%
WARNING

Ariens 291cc Series Specifications

General

Brand	Ariens
Model	291cc Series
Category	Engine
Language	English