1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 396Get this manual

1994-2001 Yamaha Venture/V-Max 500 Series Snowmobile Service Manual, Page 396

IIANOSJP Ito) -CARBURETOR TUNING Trouble Diagnosis Adjustment Poor performance at Return the starter lever to its seated
replace the fuel pumpmance Clogged fuel filter Clogged intake Abnormal combus- Lean mixture tion: Dirty carburetor Backfiring
Overflow: Poor idling Clogged air vent Replace the fuel filterRemove any obstructions (i.eice)Clean and adjust the carburetorClean
the carburetorClean the air vent Disassemble and clean the float valve Do not scratch the valve seat Clean or replace the
float valve and valve seat The valve seat and body must be replaced togetherReplace the floatCheck, and if necessary, replace
the following parts: Incorrect float level .Float tang The float (replace the entire float assembly) The arm pin Dirtyorcloggedfuelline