I agree Gizmo, especially after my attempts this afternoon to start the engine.
I resorted to a tiny squirt of "Easy Start" spray into the intake. I got it to fire and run a short burst, less than a second. After that, I could flick the prop with the chicken stick and get it to fire almost every flick. Sometimes running a few revolutions then stopping again. Went on like this for some time, short bursts long enough to warm the cylinder, but it still would not run.
I had to stop, as my arm was getting tired.
The battery drill starter system will only work with the decompression valve pressed in, lowering the compression. As soon as it fires, the valve pops out, and the drill will no longer crank it smoothly. I have difficulty holding it anyway.
I need to walk away from it for a few days I think..............