1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 50Get this manual
FUEL SYSTEM FLOAT LEVEL INSPECTION
With the float valve seated and the float arm just touching the valve, measure the float level with the float level gauge as shown
SPECIFICATION: 18.5 mm (0 .73 in) TOOL:
Float level gauge
07401-0010000
The float cannot be adjustedReplace the float assembly if it is out of specification
Install new O-ring in the float chamberInstall the float chamber, aligning the overflow tube with the hole in the baffle as shownInstall the four float chamber screws