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Old 30-09-17, 11:34 AM   #4
danthetangye
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Join Date: Jun 2007
Location: Deepest Fenland
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It also depends on the engine having the correct starter dog pinned onto the camshaft, if at all. A lot of engines were rebuilt over the years, and there are a lot of bitsa's around, including those with a wrong crankcase door with an incorrect spec plate. If the dog is missing either rotation of handle will work to turn the engine. The best way to check is to go back to first principles, and look at the valve timing and see that everything happens in the correct sequence. On a Lister D, the carburettor and exhaust are swapped on reverse rotation engines, though watch out for a DK spec with a paraffin vaporiser as they are already swapped.

Dan
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