2003 Polaris Deep Snow Snowmobiles Service Manual, Page 42Get this manual
MAINTENANCE Suspension Lubrication
To maintain rider comfort and to retard wear of the pivot shafts, the suspension pivot shafts should be lubricated with Polaris Premium All Season Grease, PN 2871423, at 500 miles (800 km) initially; 1000 miles (1600 km) and before summer storage each yearThe riding characteristics of the snowmobile will be affected by lack of lubrication of these shaftsNOTE: grease gun kit complete with grease and adaptors is available to lubricate all fittings on Polaris snowmobilesOrder PN 2871312