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Hey all, Looking for input here. Last time I went out on the boat I noticed the voltmeter gauge is all the way to the right (way past the 18 v mark)...it doesnt move at all, regardless if the engine is on or off.... I'm going to troubleshoot it next time I go to the boat storage but I was...

You are close. Not sure if corroded but the actual ignition switch is the culprit. If I wiggle the ignition key a little while the engine is running, the engine stalls. So there is the problem. We can close this thread :)

Correct. And my oil alarm is not wired to cut power if the oil pressure drops; it only goes off (audible). I have a killswitch but the lanyard is connected all the time (the switch is always ON). I'll bypass it next time I'm out to see if the issue persists. Perhaps there is a loose terminal or...

Do you mean gas pump? Why would the sudden loss of oil pressure turn off the engine?

Hi, Sometimes, when I hit taller waves, or I break through another's boat tall wake, particularly when part of the hull lands hard on the water, the engine stalls. It sputters (no explosion) and dies slowly (even if I quickly shift to Neutral). I can restart it immediately without issues,. I...

After so many years, this thread lives on. It helped me fix my Alpha 1 Gen 1 reverse issues after replacing the impeller. Thanks

It's an estimate. Maybe it's an ounce, but always the same amount. Funny that I mainly spend time cruising or anchoring near a beach; my friends or family don't go swimming, and we rarely have drinks on the boat lol. It must be condensation, as @airshot suggested.

I boat regularly during the boating season. 3 or 4 times per month. I won't take the outdrive just yet....it isn't that much water for the hassle, but thanks for the advice. I grease all the zerks (outdrive/transom assembly and coupler) at least once at the beginning of the season.

This would explain why it's always the same quantity, I guess...Once whatever is condensing gets to the condensation temp, it slows down dripping water

The thing is, it happens even if no one gets in the boat after being in the water.

Every time I remove my boat's drain plug, a bit of water comes out. It's always the same amount, like half an ounce or less. Regardless of the time I spend on the water, 30 min or 6 hours, it's always the same quantity. I wonder if one of the below is starting to leak, but does it only when I...

These guys in Florida can make you any decal you want for a very reasonable price. https://www.etsy.com/ca/shop/StuffPrinted?ref=simple-shop-header-name&listing_id=1246544577 Even using a custom font if you provide the open source. Other Etsy stores make OEM-like lettering for specific brands...

I'm considering doing this too. I always bring my complete toolbox with enough tools to take apart the entire boat, but it's heavy, and I can't stow it anywhere, so it's always on the deck. I permanently carry a spare prop and hub and a second battery (with an automatic isolator). I never...

And this would explain why the 4 blade prop exposed the timing issue of my engine.

Final update. Glad to report the issue is gone. As suggested by most of you, the problem was a mix of a lean condition and too advanced timing. The timing was set to the older model's spec, 6 degrees (that explains why it blew the gasket last summer). I delayed it to 1 degree following the...

Also, can anyone help me confirm the right manual for my engine (L375837)? Is it #26 or #10? When I enter the serial number in https://www.mercruiserparts.com/ it throws this range: 3.0L GM 181 I/L4 1 1998 - 0L010042 THRU 0L096999 And that corresponds to Manual #26. If it's indeed 26, then...

Thanks for the details. I plan to rebuild the carb offseason.

Quick one here before I go into troubleshooting mode this weekend. About the fuel mixture adjustment. I'm going to tune it as per the manual but isn't that needle only for Idling? I mean, should that affect the engine's performance while revving high RPMs? I'll check the timing is correct (it...

Thanks. I will start with the fuel mixture. The strange thing is this engine can easily get to 4800 RPMs. Runs smoothly. Except for the noise with the 4-blade prop, the engine appears to be performing great.

So what could be the cause and possible solutions?