17. LIGHTS/INSTRUMENTS/SWITCHES FILLY LX 50 Fuel Unit FUEL UNIT No Smoking! REMOVAL Remove the met-in box. ( 2-3) Remove the frame right side cover. ( 2-4) Disconnect the fuel unit wire connector. Turn the fuel unit retainer counterclockwise to remove it. Do not damage the fuel unit wire. Tab Groove Remove the fuel unit. Be careful not to bend or damage the fuel unit float arm. INSTALLATION The installation sequence is the reverse of removal. · Align the groove on the fuel unit with the tab on the fuel tank. · Align the arrow on the retainer with the arrow on the fuel tank. · Turn the retainer clockwise to secure it. Fuel Unit L/W INSPECTION Remove the fuel unit. Measure the resistance between the fuel unit wire terminals with the float at upper and lower positions. Wire Terminals Upper Lower GY/W 30 686 GL/W 566 153 Y/WL/W 599 599 FUEL GAUGE INSPECTION Y/W G Connect the fuel unit wire connector and turn the ignition switch "ON". Before performing the following test, operate the turn signals to determine that the battery circuit is normal. Check the fuel gauge needle for correct indication by moving the fuel unit float up and down. Float Position Needle Position Upper "F" (Full) Lower "E" (Empty) 17-1