Polaris Trail Boss 330 Quadricycle - Manual (Page 96)

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MAINTENANCE AND LUBRICATION
Spark Arrestor
Occasionally, the spark arrestor may accumulate carbon, which can
restrict the exhaust if left unattended. Purge the spark arrestor.
WARNING
Allow components to cool sufficiently before servicing. The
exhaust system can get extremely hot. Never run the engine in
an enclosed area or indoors. Exhaust contains poisonous carbon
monoxide gas. Never go under the vehicle while it’s inclined.
Remove any combustible materials from the area. Wear eye
protection and leather work gloves. Do not stand behind or in
front of the vehicle while purging.
1. Remove the arrestor clean-out plug
from the bottom of the muffler.
2. Place the transmission in neutral.
3. Lock the mechanical parking
brake.
4. Start the engine.
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