2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 237Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 237

CARBURETORS FUEL LEVEL ADJUSTMENT 1Measure: Fuel level Out of specificationAdjustFuel level (below the line on the float
Measure the fuel level on both sides of the carburetor assemblyNOTE: The fuel level readings should be equal on both sides
2Adjust: Fuel level Adjustment steps: Remove the carburetor assemblyS Inspect the needle valve seat and needle valveS If
either is worn, replace them as setS If both are fine, adjust the float height by bending the float tang or the floatS Recheck