2005 Polaris Sportsman 400/500 Service Manual, Page 58Get this manual
MAINTENANCE 4Turn the engine over several times to ensure coverage of piston rings, cylinder walls and crankshaft bearings5Treat the fuel system with Polaris Carbon Clean6If Polaris fuel system additive is not used, fuel tank, fuel lines, and carburetor should be completely drained of gasolineTo eliminate any fuel remaining in the carburetor, run the engine until it stops
Lubricate
Inspect all cables and lubricate with Polaris Cable LubricantFollow lubrication guidelines in the maintenance section of the service or owner's manual to completely grease and lubricate the entire vehicle with Polaris Premium All Season Grease
Storage Tips
Battery Storage
Remove the battery from the vehicle and ensure that it's fully charged before placing it in storageSee Chapter 10 for instructions