MAMOD PISTON/CYLINDER ASSEMBLY SE1/ SE1A/ SE2/ SE3/ SP4 / SP5
Owing to the possibility of historical manufacturing variations,
before you click to purchase it is important to be sure this
assembly is correct for your particular engine.
Therefore please measure your cylinder or the backplate.
Here is the dimension you ought to be sure about:
The distance between trunnion screw and the steam hole = 15.50mm.
If yours is 12.70mm, then we cannot help you - sorry.