2000 Polaris Indy 500 / 600 snowmobile service manual, Page 148Get this manual
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FUEL SYSTEMCARBURETION Mikuni TM-38 Carburetor Service Carburetor Disassembly Cont10 Remove water trapdrain plug (17 mm) and single screw on bottom of carb
13 Inspect needle for wearNOTE: Needle