2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 126Get this manual
FUEL SYSTEM Hang the float valve onto the float arm lipInstall the float valve and float, and insert the float pin so that the spline end rests in the short boss (spline hole) side as shownDrive the float pin using the pin driver until its end is flash with the bossFLOAT VALVE FLOAT
SHORT BOSS FLOAT LEVEL INSPECTION Check the float level after checking the float valve, valve seat and floatSet the float level gauge so that it is perpendicular to the float chamber face at the highest point of the float
SPLINE END
FLOAT LEVEL GAUGE
With the float valve seated and the float arm just touching the valve, measure the float level with the float level gaugeTOOL: Carburetor float level gauge 07401-0010000 FLOAT LEVEL: 15.9 mm (0.63 in)