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I
removed the left cylinder and cylinder head first because I
had noticed some smoke coming from the left pipe lately. After
removing the valves my first thought was that the valves were
still pretty tight in the valveguides. After closer inspection
it turned out that the exhaust valveguide itself was loose in
the head, I could rotate it with 2 fingers... That would definitely
explain the smoke! I clearly marked all the parts I had removed
so they can later go back in the same place. Next step will
be to fix the broken cooling ribs and the loose valveguide,
then I will glassbead the heads, and finally I will have the
heads converted for unleaded fuel.
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