Index Snowmobiles / ATV Snowmobile Polaris 440 PRO X Fan, 440 PRO X, 600 PRO X, 700 PRO X, 800 PRO X - service manual 2003 year
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CLUTCHING 4.40 Drive Belt Inspection 1. Measure belt width and replace if worn severely. S The top edges have been trimmed on some S Place a straight edge on each side of the drive S Place another straight edge on top of belt. S Measure the distance where the side straight 2. Inspect belt for loose cords, missing cogs, cracks, 3. Inspect belt for hour glassing (extreme circular wear Belt Wear / Burn Diagnosis Belt Wear / Burn Diagnosis Possible Cause Of Wear Or Burning Solution Driving at or about engagement RPM for extended periods in all Drive at higher RPM if possible. Gear the machine down. Make s to achieve optimum starting ratio Cold weather startups Be patient. Warm up engine at least 5 minutes or until it readily Towing another machine at or about engagement RPM When possible, do not go in deep snow when towing another ma- Spinning track while vehicle is stuck (high RPM, low vehicle speed, Lower the gear ratio. Remove windage plates from driven clutch. If Ice and snow piled up between track and tunnel overnight or after Break loose snow and ice under tunnel. Allow longer than normal Poor running engine (Bog, Miss, Backfire, etc.) Maintain good state of tune including throttle and choke synchro- Loading machine on trailer Use caution when loading machine. Carbide skags may gouge into Clutch malfunction Check for correct clutch components. Slow, easy belt engagement -- easing on the throttle Use fast, effective throttle to engage the clutch. Projected Belt Width |