2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 339Get this manual
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ELECTRICAL
IGNITION TIMING (DEGREES) B.T.D.C
28 26 24 22 20 18 16 14 12 10 8
0 1000 2500 3000 3500 4000 4500 5000 5500 6000