2003 Polaris Deep Snow Snowmobiles Service Manual, Page 212Get this manual
DRIVEDRIVEN CLUTCHES Belt WearBurn Diagnosis Possible Cause Of Wear Or Burning Driving at or about engagement RPM for extended periods in all types of conditions Cold weather startups Solution Drive at higher RPM if possibleGear the machine downMake sure belt deflection is at 1.25 to achieve optimum starting ratio Be patientWarm up engine at least minutes or until it readily responds to throttle inputFor the quickest most efficient driveaway in extreme cold weather, take drive belt off machine and bring it in to warm environmentBreak skis and track loose from the snowEngage throttle aggressively for short durations for initial cold driveaway When possible, do not go in deep snow when towing another machineUse fast, effective throttle to engage the clutchNot all machines are intended for pulling heavy loads or other machinesLower the gear ratioRemove windage plates from driven clutchIf possible, move to better snow conditions and reduce RPMAvoid riding in very high ambient temperaturesBreak loose snow and ice under tunnelAllow longer than normal warmupAllow belt to warm sufficiently and increase grip ability on clutch sheavesUse fast, effective throttle when engaging clutchMaintain good state of tune including throttle and choke synchronizationCheck for fouled spark plug(s)Check for foreign material in carbsMake sure no water or ice in fuel tank, lines, or carburetorsUse caution when loading machineCarbide skags may gouge into trailer and prevent drive train from spinning freelyUse enough speed to drive completely onto trailerIf machine cannot be driven completely onto trailer, it may need to be pulled or pushed to avoid belt wearburningCheck for correct clutch componentsUse fast, effective throttle to engage the clutch