1985-1995 Polaris Snowmobiles Master Repair Manual, Page 383Get this manual
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CARBURETION 1990
Jet Needle50P7-3 Cut Away3.0
3000-5000 5000-7000 7000-9000 9000-11000
Indy 400
EC40PL-02 Main Jet230 Pilot Jet30 Air Screw12 turn
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