This safety valve will fit almost all engines. Some earlier 1/4" thread diameter valves were much shorter in length but this longer type will fit and work perfectly well. If you do have an older engine, please just use a tape measure or ruler and check you do not have a 3/8" thread diameter...
This safety valve has a thread of 1/4'' 26TPI. This is the same thread as the Standard Safety Valve but has a shorter body. It was originally made for the Minor engine and also for the Mecanno engine. Mamod no longer make this item but we have sourced excellently made high quality spares fo...
This safety valve has a thread of 3/8'' 26TPI and was made for the SE2 and SE3 engines. However, there were exceptions! Mamod no longer make this item but we have sourced excellently made high quality spares for older engines. These carry our normal no-quibble guarantee so you can buy with c...