18. LIGHTS/INSTRUMENTS/SWITCHES/HORN QUANNON 125 FUEL UNIT Keep flames and sparks away from the working area. REMOVAL Remove the front seat and fuel tank. Remove the four fuel unit attaching nuts. Remove the fuel unit. Be careful not to bend or damage the fuel unit float arm. Nut Fuel Unit INSPECTION Check the fuel unit O-ring for wear, damage or deformation. Replace if necessary. Measure the resistances between the fuel unit wire terminals with the float at the upper (Full) and lower (Empty) positions. Resistances: Upper (Full): 925 Lower (Empty): 70100 Nuts Full INSTALLATION Install the fuel unit in the reverse of removal. Empty Check for fuel leakage after installation. Fuel Gauge 18-6