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Scott06 replied to the thread 2002 Mercruiser 3.0 - No Oil? Engine Swap?.

Then WTF did it go... I mean I haven't started drinking yet. take out the sender and hook up a mechanical gauge ($25 at autoparts...

May 1, 2025
Scott06 replied to the thread 2002 Mercruiser 3.0 - No Oil? Engine Swap?.

Was thinking the dipstick was broken or wrong one ... You put 5 qts in the engine (its a 4 qt motor) and there is nothing in the pan...

May 1, 2025
Scott06 replied to the thread 2002 Mercruiser 3.0 - No Oil? Engine Swap?.

#1 - block wouldnt crack like that from over heat only from not winterizing - also need to check if manifold is cracked as well. it...

May 1, 2025
Scott06 replied to the thread 1990 mercruiser 4.3 no spark.

do the compression test as a sanity check other than that would think you are not on compression stroke.

May 1, 2025
Scott06 replied to the thread 1990 mercruiser 4.3 no spark.

and you have checked the strength of spark with gap tester? basically confirm you are getting spark Was intake recently off and there...

May 1, 2025
Scott06 replied to the thread Manifold Change.

I think they use a longer down turn after the elbows to match the riser which arent cheap as I looked into it a few years back. your...

May 1, 2025
Scott06 replied to the thread Hotter than normal temps. I just replaced the impeller on the sterndrive, and pulled the circulator pump..

Was the old impeller missing pieces? If so they can get caught in the system in places like power steering cooler. Otherwise wonder if...

May 1, 2025
Scott06 replied to the thread 07 mercruiser 4.3 no start.

No get a volt meter and find out where you have 12 vac as outlined. Based on what you say in start you will have 12 v on positive...

Apr 30, 2025
Scott06 replied to the thread Choke valve position cold engine.

Typo dwell, ignition points dwell. Set dwell then timing. yes any tune up is done once it gets to operating temp. Get a factory service...

Apr 30, 2025
Scott06 replied to the thread replace Mercruiser 2.5L 1989 with Mercruiser 3.0 1994.

that sounds right fully dressed (exhaust accessories etc) there is no real weight dif between a 2.5 and 3.0 they are essentially the...

Apr 30, 2025
Scott06 replied to the thread Hotter than normal temps. I just replaced the impeller on the sterndrive, and pulled the circulator pump..

they usually last the life of the boat in fresh water. have never changed one even on 30 yr old boats. replace it if you want but that...

Apr 30, 2025
Scott06 replied to the thread Hotter than normal temps. I just replaced the impeller on the sterndrive, and pulled the circulator pump..

you probably were missing adequate water supply from the hose circ pump looks fine did you verify the gauge is accurate

Apr 30, 2025
Scott06 replied to the thread Choke valve position cold engine.

it may have been flooded or overly rich. Opening the choke and throttle will help clear a flooded or rich condition. when operating...

Apr 30, 2025
Scott06 replied to the thread Oil Pressure Alarm.

yes clear plastic bottle about a pint in size

Apr 30, 2025
Scott06 replied to the thread No water coming out of the exhaust on muffs.

Exactly -only time I had an issue with the no choke was when I took the boat out in mid october (upstate NY) cold wet and rainy weekend...

Apr 30, 2025

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