Polaris 900 RMK - Manual (Page 97)

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MAINTENANCE
General Maintenance
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Drive Belt Condition
Periodically check the condition and tension of the drive belt, and
always carry a spare. Inspect the belt for signs of excessive wear:
frayed edges, missing cogs, cracks and excessive looseness. Replace
the belt if any of these conditions exist.
For improved drive-away during extremely cold temperatures, remove
the belt and warm it to room temperature. Reinstall it before starting
the snowmobile.
Drive Belt Removal
1. Be sure the key switch is off and the engine has come to a
complete stop. Apply the brake (or lock the parking brake if
equipped).
2. Open the hood. Remove
the left side panel to
access the drive clutch.
3. Locate the L-wrench in
the tool kit. Install the
wrench into the open
threaded hole in the outer
sheave of the clutch (A).
4. Turn the wrench
clockwise until the
sheaves open far enough
to remove the belt.