2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 121Get this manual

2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 121

PVT OVERHEATINGDIAGNOSIS
During routine maintenance or whenever PVT system overheating is evident, it's important to check the inlet and outlet ducting for obstructionsObstructions to air flow through the ducts will significantly increase PVT system operating temperaturesThe ATV should be operated in LOW RANGE (if equipped) when pulling or plowing heavy loads, or if extended low speed operation is anticipated
GENERAL RANGE OPERATION GUIDELINES:

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