Index Snowmobiles / ATV Snowmobile Polaris DEEP SNOW (TRAIL RMK, 600 RMK, 700 RMK, 800 RMK, 900 RMK, 600 SWITCHBACK, 800 SWITCHBACK) - service manual 2005 year
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FUEL DELIVERY 4.21 TROUBLESHOOTING TIPS, 1/4-3/8 THROTTLE: S Obstruction in main jet or needle jet S Jet needle worn or out of adjustment S Pilot system malfunction S Incorrect throttle valve cutaway TROUBLESHOOTING TIPS, 3/8-3/4 THROTTLE: S Main jet incorrect size or clogged (lean) S Needle jet damaged or loose S Needle jet/jet needle worn (rich) S E-clip position incorrect for altitude and temperature TROUBLESHOOTING TIPS, FULL THROTTLE: S Main jet size (rich or lean) S Fuel filter blocked (lean) S Fuel vent lines or check valves plugged S Exhaust system plugged S Air box restricted S Fuel pump weak S Exhaust leaking into engine compartment (rich) S Water in float bowl (lean) |