'As long as the crankshaft is well-secured, cutting the keyway is fairly straight-forward. '
The governor arm bracket requires considerable machining.
Photo 3 (Left): Here you can see the completed crankshaft viewed through the cylinder.
'Photo 4 (Above): The left side flywheel, complete with governor bracket and weights. '
The completed flywheel and governor assembly.
'Photo 6 (Above, right): The raw casting requires a considerable amount of work to get it to look as it does in the following pictures. Photo 7 (Below, left): Yellow arrows point out the valve ports and the bores for the valve stems. Photo 8 (Below, right): Left arrow (blue) shows where air is drawn from the intake and mixer. Right arrow (red) illustrates where the exhaust flows out of the valve chamber and through the muffler. '