2007 Yamaha Apex Factory Service Manual, Page 237Get this manual

2007 Yamaha Apex Factory Service Manual, Page 237

CARBURETORS ASSEMBLY NOTE: Before assembling the carburetors, wash all of the parts in petroleum based solventS Always use
and adjustment steps: Hold the carburetor upside downS Measure the distance between the carburetor body and top of the floatsNOTE:
The float arm should resting on the needle valve without exerting pressure on itS If the float height is not within specification,