ENGINE IGNITION TIMING TOOL

An engine ignition timing tool is provided for use with a strobe timing light in setting the timing of Harley-Davidson motorcycle engines. The timing display tool includes a modified circuit breaker cam bolt having a pointer indicator attachable to a cam assembly of the engine, and an ignition timin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NIELSEN, JOHN E, NIELSEN, PAUL E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An engine ignition timing tool is provided for use with a strobe timing light in setting the timing of Harley-Davidson motorcycle engines. The timing display tool includes a modified circuit breaker cam bolt having a pointer indicator attachable to a cam assembly of the engine, and an ignition timing measuring plate attachable to a gear cover of the engine. The timing display tool is installed on the side of the engine having the ignition unit where the ignition timing is to be set. The engine is run and the strobe timing light is set to the engine spark firing frequency then shone onto the pointer indicator and measuring plate so that the pointer indicator is illuminated at a timing mark corresponding to the degree of spark advance or retard of the engine. The ignition timing is then adjusted.