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Took the super sport out today to test it before I pull the trigger. Ran great and everything works. Only issue I see is a vibration as you throttle and also continuing at speed. Anyone know what that could be? I could feel it in the drivers seat and the floor. It was very noticeable. Boat only has 175 hours. Also the prop is a four blade that looked to have no damage
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Last edited by padge; 09-15-2013, 10:28 PM. -
Put it in wrong section. Could mods please move to technical forum -
Could be a few different things. First thing would be an issue with the prop. Even though it LOOKS good, it may have been rebuilt and not done properly. Could also be a bent shaft or poor engine alignment. Ask the owner if the prop has ever been rebuilt. Also, pull the boat out of the water and turn the prop by hand. See if you can see any inconsistency in the shaft as it turns.I own and operate Silver Cove Marine, which is an inboard boat restoration, service, and sales facility located in Mooresville, North Carolina. We specializes in Nautiques and Correct Crafts, and also provide general service for Nautiques fifteen years old and older.
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I would have a marine surveyor or mechanic take a look. It is worth a hundred or so dollars to make sure that you are not getting into a financial sink hole (more than boats already are). The other problem would be how long it was run with whatever problem this is. That could cause more significant issues up the line (prop shaft -> V drive -> etc).Eric, Phoenix AZ
G23 550 hp (finally here)
2002 Super Air
1994 Sun Tracker Party Barge 115 hpComment
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Yank up and down/side to side on the prop to see how much play is in the cutless (strut) bushing. Just being that old may have made it go bad (maybe?). Never spin the prop with engine power while the strut is out of the water though.
Replacing it is a bit of a project on a v-drive.Rob
2000 SANComment
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Padge- classic symptoms of a bent prop. Often there are no visibile signs....only takes a slightest of dings.2019 G23 450
2014 G23 550
2013 G23 450
2011 Malibu Wakesetter 247
2007 Yamaha AR210Comment
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I checked. There is no play in the shaft or strut. I think its the prop.Originally posted by crobi2 View PostComment
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You haven't bought that thing yet?
I'm glad the cutless is ok, mine went bad mostly because of a shallow sandy bottom river.
MOST likely, it is just the prop.
Our old OJ prop ( 4 blade 14" x 18") was put on newly rebuilt when we got the boat. It always had a bit of a vibration even though it looked perfect. When I put our new acme prop on there, she became as smooth as silk.
If you really want to check the shaft, you can clamp a dial indicator to the strut and check the runout before the strut, after the strut before the prop and after the prop. You can also clamp it to the trailer and check the shaft right where it comes through the hull. I'd bet its all ok though.Rob
2000 SANComment
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He said he hit a log at idle speed. He had the shaft checked and they said it was fine. He had the prop reworked. But I know inboard props are hard to rework and be perfect. This vibration will not jar your teeth. I can't feel it at all until after 20 mphOriginally posted by crobi2 View PostComment
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What is the prop that is on the boat? The original OJ?
If you plan to sac her out heavy, you will probably end up switching that prop for an acme 1578 or 1236 anyway.
Putting a tower on her (if that's your plan) will cost a bit too because you'll probably want to go with an FCT2 to keep your value high.
A 210 hull with that tower on it will have amazing resale value.
Lots of folks out there would love to have a legacy hull 210.Rob
2000 SANComment
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Truth be known I'm not sure on which prop. I would think it's the originalOriginally posted by crobi2 View PostComment
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