Recent content by nicksfans

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    '87 MerCruiser 3.0 stalls when backing off throttle

    Well, I tried some more stuff over the weekend, including going out on the lake again. --Thermostat seems fine; it opens under hot tap water which is 140-150F tops. --Water flow does not appear to be an issue. I ran it with the lower unit in a tub of water, and then on the lake. Water...
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    '87 MerCruiser 3.0 stalls when backing off throttle

    Thanks for the replies! This is helpful. Here’s some more info: — Fuel lines from tank to engine are 2017 or newer. I also used a hand vacuum pump to check how much vacuum is needed to pull fuel from the tank. I don’t remember the exact reading, but my boat actually required less vacuum than my...
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    '87 MerCruiser 3.0 stalls when backing off throttle

    Hi all! I'm a long-time reader but first-time poster. Anyway, I have a 1987 V-Master bowrider with the 3.0 MerCruiser w/ Alpha Gen I drive. I've owned this boat almost four years, but for the last two I've had a persistent issue that I can't seem to resolve. When cold, the engine starts and...
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