How to Use the FXTUL UNT50 Ultrasonic Fuel Injector Cleaner

A detailed, safety-first guide to preparing removed motorcycle injectors, operating the UNT50 ultrasonic bath and completing the job without confusing cleaning with injector testing.

A detailed, safety-first guide to preparing removed motorcycle injectors, operating the UNT50 ultrasonic bath and completing the job without confusing cleaning with injector testing.

Use AUTOOL OD760 step by step: choose vacuum extraction or gravity draining, control the 10 L measuring cup, then empty the 80 L tank at only 0.6–0.8 bar.

Use AUTOOL OD720 step by step: choose vacuum extraction or gravity draining, control the measuring cup, then empty the tank at only 0.6–0.8 bar.

Use AUTOOL OD710 step by step: secure the vehicle, collect 40–60°C engine oil by gravity, restore the drain plug and empty the tank at 0.6–0.8 bar.

Use AUTOOL AS509 step by step: isolate a clean 40–50 ml cold coolant sample, select the exact reference, heat it once, record the result and clean the rod.

Use AUTOOL AS507 step by step: identify the hydraulic reservoir, clean and immerse the probe, read transmittance, icon and temperature.

Use AUTOOL AS506 step by step: collect a clean 40–50 ml brake-fluid sample, select the exact mode, test boiling point and clean safely.

Use the AUTOOL AS505 step by step to confirm ATF and access, clean the optical probe, test transmittance and interpret the result safely.

Use the AUTOOL AS503 step by step to confirm oil compatibility, choose gasoline or diesel mode, test transmittance and interpret the result.

Use the AUTOOL AS502 step by step to identify the brake fluid, choose Normal or supported Expert mode, test water content and interpret the result.