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It's not astronimy related.. or is it?
Recently I made a mistake when I tried to clean the rotor of my lawn mower so I leaned the machine at 90° angle (to the wrong side?) and the oil from carter went into cylinder (via valve compartment ?).
I had to expel the liquid through the spark plug hole to be able to use it at all (obviously, the presence of oil prevented the piston to move when both valves were closed).. The motor was working for some time after that mishap.
But.. it died on me last Friday.. Wouldn't start again, no compression at all.
The theory is, a solid piece of burnt oil (there is a lot of it in the cylinder, see pictures) went into a gap between exhaust valve and head ( I didn't find it, yet).
Is there an easy way to remove the stuff without damage to the head and block ?
Also, there are two scratches (marked) on the cylinder.. I can feel them with finger.. not sure if they are the other cause for low compression.
PS
How is all that related to astronomy? Well.. The day has only 24 hours.. and If I am using available time on repairing this engine, I can't do astronomy :-)
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