Started the engine again, for the first time after assembling with the new pistons, that now have a new oil collection groove just below the oil ring.
But first I had a good look at the carburetor, decided to take the top cap of my SU carburetor off to put new thin oil in the oil damper for the piston that controls the mixture ratio. I had normal engine oil in there that was to thick at the current low temperatures. So yes did that first before starting it.
After priming the engine, it started first time, as always 🙂
But I noticed that of the two magnetos, the original one isn’t firing all 5 cylinders so that will be my next little side project. Trying to find out why its not 100%……