1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 56Get this manual

1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 56

HIGH ALTITUDE TUNING 2E341 HIGH ALTITUDE TUNING To attain the best performance in high altitude conditions, carefully tune
Test the main jet (performanceplug color) OK rNot OK_ Adjust the size of the main jet Check to see if the gearing is too
high or low+Try high altitude settings Not OK Decide if the problem is ith the pilot jet and adjust accordi ngly Check the