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Home › Method of and apparatus for adjusting ignition timing by rotating the crankshaft with the coil and spark plug terminals disconnected from the ignition circuit

Method of and apparatus for adjusting ignition timing by rotating the crankshaft with the coil and spark plug terminals disconnected from the ignition circuit

US Patent 4950996 · Granted Aug 21, 1990

Estimated economic value: $42,000 ⓘ

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