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2003 Mercruiser 5.7L Gen+ Alpha/Bravo 2 bbl Mercarb with Thunderbolt V ignition with knock sensor. Ser 0M634166 Mod 4312025RS mated to a Bravo 3 outdrive in a 25 ft sport fisherman.
Issue: Engine cranks, but no spark following extensive engine and hull maintenance.
Background: Bobtail...
Folks, I have a perplexing manifold/riser temperature/water flow issue that has me stumped. I don’t know if I am chasing a valid overheating issue or am within normal operating conditions and chasing a ghost. Below is a bit long but I tried to address all the “Have you tried…” issues up front...