1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 387Get this manual

1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 387

IIANoSJP 1(0) -CARBURETOR TUNING 2E271 CARBURETOR TUNING (Except for VT600, MM600) The carburetor is set at the factory to
initial fuel flow to the carburetor it is not always possible to supply the optimum fueloil mixture depending on the throttle
openingTherefore, after the carburetors have been tuned or maintained, or after the float chambers are removed for cleaning
or jet replacement, be sure to idle the engine for about three minutes in order to avoid engine trouble Before performing
the carburetor tuning, make sure that the following items are set to specification Engine idle speed adjustment Throttle