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    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    I will recheck the voltage as u stated at the the coil + and -. And recheck the ignition key. Question, I had read on another forum to check tach ground by disconnecting tach wire which is on - side of coil. When I did that. I had no spark... Should there be spark with it disconnected?
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    Mercruiser 5.7 Thunderbolt 5 Hard to Start

    99 Mercruiser 5.7 very hard to start. Recent work: Carb Rebuild, New Coil, Wires, Plugs, Cap, Rotor, Sensor, Batteries. Timing chain and gears replaced. The motor is extremely hard to start. One started it runs rough then dies and wont start again until next day. I have tried adjusting choke...
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    99 Mercruiser 5.7 Wont Start

    Ok Guys, I’m new to the forum. I have a 99 Mercruiser 5.7 Carb Quadrajet, Thunderbolt 5 Bravo 2 Drive. Having issues get engine started. History, was running great. Died at dock one day. Would not start. Typically starts at turn of key. Assumed carb was fouled, so cleaned it, and ended up having...
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