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Old 11-02-2023, 09:16 PM   #1
Join Date: Aug 2021
Posts: 5
Default Motor doesn't turn over

I have a 1996 Maxum 1900SR that I've owned for about 3 years now.

I'm having it winterized and the person doing the work contacted me that he can't get the motor started. He said it sounds like the engine has frozen up. He can here the starter trying to turn it over but it sounds like the engine won't turn over.

There is a back story to all of this but looking for thoughts and suggestions.

So early this summer I had the boat out and the shift linkage bellow broke. When I saw water in the bottom of the boat, I headed to the ramp. As I was heading back to the ramp, I couldn't go very fast (just enough to make a wake) because the engine would bog down if I tried going any faster.

There must have been a lot of water in the engine compartment because I looked back once, while heading to the ramp, and saw water streaming out from the lower lip of the engine access door. I looked later and the bottom lip is about even with halfway up the engine block.

I took the boat to a shop for repairs (different shop then who winterizes because the shop who winterizes is local but doesn't do repairs on I/O's). I told them what happened and asked to replace the bellows and check over the engine due to the amount of water that entered the boat. They changed all the bellows (plus all the wear items in the outdrive) and replaced the starter. They checked the engine and said everything was running good.

A couple weeks later I took the boat out to a lake for a weekend. Everything ran fine on the first day and a half. I was doing some waterskiing and started to have problems. The engine would die when I gunned it to start pulling a skier. I could run it if I accelerated slowly, so I headed back to the dock. Back at the dock I noticed then that the prop was still turning when I had it shifted in neutral.

So I took it back to the shop that did the bellow repairs. They said that it needed a tune-up and that they didn't put a pin back in the shift linkage which is why I had the prop turning while in neutral issue. So I had them do the tune-up.

I didn't get a chance to take the boat out anymore this summer after the tune-up, so haven't run it since.

And that brings it full circle to the start of the post.

I'm bringing the boat back to the shop that did all the repair work to have them check it over.

Any thought or comments on what may be the issue and what I should do or have the shop do/check from here?

My biggest concern at this point is that the shop didn't something maybe it should have done to check for water damage in the engine when I told about the amount of water that got into the boat and left unchecked has resulted in some damage to the engine.

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Old 11-03-2023, 07:37 PM   #2
mmwjr's Avatar
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,065

Try removing the spark plugs to see if it will turn over. If not she is seized.

1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2

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Old 11-13-2023, 04:36 PM   #3

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Posts: 5,567

Originally Posted by mmwjr View Post
Try removing the spark plugs to see if it will turn over. If not she is seized.
OR see if water starts pouring out. Starter turning, but not engine would seem like a starter (bendix) issue. Starter and engine turning but not starting is more of an air, fuel, spark imbalance, though the saftey lanyard missing would also do this.

Starter and engine not turning at all could be a bad starter, bad solenoid, or water in the cylinders.

Check the oil. If the oil is showing up a few quartz you may have ingested some water.
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