19. LIGHTS/INSTRUMENT/SWITCHES/HORN STRYKER 125/150 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 Connect the fuel unit wire coupler to the wire harness and turn the ignition switch ON. Check the fuel gauge needle for Empty Full correct indication by moving the float up and down. If the needle does not move to "F" or "E", the fuel gauge is faulty and replace it with a new one. If the needle swings, the fuel unit is faulty and replace it with a new one. INSTALLATION Install the fuel unit in the reverse of removal. Check for fuel leakage after installation. Fuel Gauge 19-8