2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 53Get this manual
MAINTENANCE
RECOIL HOUSING
& Drain the housing periodically to remove moisture& Drain the recoil housing after operating the ATV in very wet conditionsThis should also be done before storing the ATVThe drain screw is located at the bottom of the recoil housingRemove the screw with 10mm wrenchReinstall screw once housing has been drained& CAUTION: Make sure the manual start handle is fully seated on the recoil housing, especially when travelling in wet areasIf it is not sealed properly, water may enter the recoil housing and damage components& Water will enter the recoil housing if the starter handle is disengaged from the rope guide when under water& After travelling in wet areas the recoil housing and starter should always be drained completely by removing the recoil& Do not open the crankcase drain unless the engine has ingested waterSome engine oil will be lost if crankcase drain is opened& If recoil handle seal has been damaged, the handle shopuld be replacedCrankcase Drain