1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 404Get this manual

1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 404

IIANoSJP ItO) -HIGH ALTITUDE TUNING 2E341 HIGH ALTITUDE TUNING To attain the best performance in high altitude conditions,
to the chart Test the main jet (performanceplug color) OK Adjust the size of the main jet Re-test OK Not OK Check to see
ifthe gearing is too high or low Try high altitude settings Decide if the problem is with the pilot jet and adjust accordi