1985-1995 Polaris Snowmobiles Master Repair Manual, Page 390Get this manual
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CARBURETION 1993 Indy 440SKS EC45PL-02 Carburetor TypeVM34SS Main Jet230 Pilot Jet35 Cut Away2.5 Air Screw34 turn Needle JetP-4 (166) Jet Needle6DH7-2
-20 to +10F -2910 -12 C