More Preparation There's a few more things to measure and the ports need to be indexed. I started by outlining the ports with permanent marker then I lightly scribed vertical lines at the exhaust port edge using a small T-square. The horizontal lines are scribed using the piston as a guide.
The port tops have been colored with red permanent marker. It will work well enough for this job. You can see the vertical and horizontal scribe lines I outlined the exhaust port with - there's one at the top of the transfer port too.	The cylinder head needs to have its volume measured against a flat Plexiglas plate so it can more easily be recut to the proper specification. The clear plastic plate is sealed with a little grease. It holds 22 cc's this way. That's a real spark plug in the hole.
What looks like a small scratch is a light scribe line on the piston. I put them there when the barrel was on the block and the piston was at BDC. The line(s) indicate the upper edge of the intake port(s). If I need to I can make the port larger (cut it higher). I don't want the lower ring to fall into the port.	The small, fine, tool & pocket knife sharpening stones are good for removing little pieces of gasket material - they're flat and straight. When held firmly it will remove stubborn gaskets and it won't leave any gouges. I use these to avoid the scrapes that razor blades and other sharp tools leave behind.

Date Last Modified: 8/8/99
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