Honda CB400F CB500T CB550 F K T CB750 F K Petrol Tap Fuel Petcock 20mm x 1.5mm
CB500T - 1975-1976. CB400F Super Sport - 1975-1976. CB750 - USA. This tap has a 20mm thread and a thread pitch of 1.5 mm. Honda used several different thread sizes and rates. With 20mm x 1.5 mm pitch threads.