The crankshaft with no keyway for the clutch is equipped with LH threads, that way the clutch will never loosen on its own.
Last year for the town Christmas tree lighting we had an open house (4 December 2019) and one of the visitors said he had an old McCulloch saw to give me. Today he dropped it off.
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I will give it a good cleaning and put it on display in the new shop, I already have a decent looking SP60 with the cold weather set up in the museum display.
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At some point I need to find a tank with the tapped holes for the hand guard, or just sacrifice a tank and add some holes myself.
This one belongs to Ted (warped).
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Mark