1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 391Get this manual

1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 391

CARBURETOR TUNING IIANOSJP I'oa I A: Standard main jet B: Main jet whose diameter is 10010 smaller than standard C: Main
C: NO.3 position Full open rID Throttle opening If the air silencer box is removed from the carburetors, the change in pressure
in the intake will create lean mixture that may cause severe engine damageThe air silencer box has no effect on performance