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Old 08-13-2022, 01:30 AM
Marty Levenson Marty Levenson is offline
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Join Date: Nov 2004
Location: Bowen Island, BC
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Shuts down after 1 minute

Wondering where to start troubleshooting. Engine ran great in June, but now, after recent exhaust rust out and rebuild, starts fine and then dies after one minute or less....then won't restart. When I come back a few days later, same behavior.
Shut down is sudden. I see plenty of oil pressure when I'm cranking.(yes, closed the water intake). Turns over strongly.
Engine is fresh water cooled, electronic ignition, electric oil pump.
OPSS? Seems too quick to be an overheating coil. Seems like an electric problem, but not certain.
1- tempted to jump the OPSS
2 - if that doesn't fix it, replace the coil
3 - check the spark at the main coil lead.
Any suggestions are gratefully received!

Thanks.
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Marty
1967 Tartan 27
Bowen Island, BC

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