2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 339Get this manual

2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 339

ELECTRICAL
TYPICAL IGNITION TIMING CURVE
Actual advance point may vary by several hundred RPM either above or below 3500Use the point of maximum advance when checking ignition timingMAXIMUM ADVANCE POINT ()