2003 Polaris Scrambler 50-90 Sportsman 90 Predator 90 Service Manual, Page 23Get this manual
GENERAL INFORMATION To service the fuel filter: 1Shut off fuel supply at fuel valve2Remove line clamps at both ends of the filter3Remove fuel lines from filter4Install new filter and clamps onto fuel lines5Turn fuel valve ON6Start engine and inspect for leaks
Drain Screw
OIL TANK
The oil tank cap is located under the seatThe tank cap is threaded for positive sealing and eases installationPeriodically check the level of the oil tankUse Premium Cycle Engine Oil when filling the tankNOTE: Drain plug is located on the side of the float bowl1Turn fuel valve to the off position2Place container beneath the bowl drain spigot or bowl drain hose3Loosen drain screw and allow fuel in the float bowl and fuel line to drain completely4Inspect the drained fuel for water or sediment5Tighten drain screw6Turn fuel valve to "ON"