Yellow Mode Midrange Air/Fuel Mixture Adjustment (Like Needle Tapers)

Yellow Mode Midrange Air/Fuel Mixture Adjustment (Like Needle Tapers)

Yellow Mode Midrange Air/Fuel Mixture Adjustment (Like Needle Tapers)

Yellow Mode- Mid-throttle and Mid-RPM range Yellow Mode numbers near 1-3 are shown on the top, and lean with air/fuel mixture near 14:1 or 15:1 Yellow Mode numbers near 4-6 are shown in the middle, near the preferred 12:1 to 13:1 air/fuel mixture Higher v