Thanks for all the advice! I've been reading through them and considering how they affect what I'm seeing.
I have been wondering about the cranking speed. The starter has been rebuilt or replaced at some point. It has newish looking paint and a label from an auto electric shop. IMO it really doesn't seem to spin it as fast as I would expect. One thing that makes me think that is that even after the engine has been running a while and nice and warm it is still slow to start.
There is no decompression device to allow the starter to spin it up before going to full compression.
Battery is near new and connections have been cleaned within the past couple weeks.
I think this is a direct injection style engine. Based on a couple pictures I found on the Web,the injectors spray right into a "depression" on the top of the piston.
The entire "thermostart" system is working. I've repaired or replaced the bad parts and tested it. Glows bright red and after about 20 seconds, releases fuel and it catches fire.
I did check valve clearances and they were fine.
I think I'm going to experiment with cranking it faster. Not sure if I want to try 24V on the starter or rig up an alternate "starter". Have to scratch my head over that one a bit.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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