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Engine Trans slip |
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Payson9 
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Joined: July-18-2007 Location: United States Status: Offline Points: 3 |
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 Topic: Engine Trans slipPosted: April-17-2018 at 11:41am |
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On my 1978 Ski Nautique it hesitates out of the hole and the engine revs up.
I think it is the transmission the mechanic thinks it is the carb. Carb was just rebuilt last year. Any suggestions. |
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JoeinNY
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Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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Posted: April-17-2018 at 12:32pm |
If the engine revs up and the boat no go faster then it is quite likely your transmission is slipping. It is impossible that it is a problem with the carb. It is possible but much less likely that the prop is a piece of junk and slips/cavitates. Check to see if your transmission linkage is fully shifting the transmission into forward, and that your fluid level is full or a little high. If both of those things are not the issue then you likely need transmission repair or replacement |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: April-17-2018 at 9:16pm |
Paul, Back in July of 07, you were looking for a transmission. What was the problem back then? Did you find one and was it installed? I'm just wondering if the trans slipping is the replacement or your original. I agree with Joe that from your description it does sound like the trans is slipping. |
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gt40KS
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Joined: August-05-2017 Location: Wichita Kansas Status: Offline Points: 946 |
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Posted: April-17-2018 at 10:44pm |
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+2 ... Really only two viable possibilities. 1) prop slippage (cavitation, sheered key or other prop damage) or 2) transmission slippage. But my bet would be transmission related - i.e. the clutch packs. Maybe a cable/ shifter adjustment but I would think if this was the case it would continually slip and never really fully engage.
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JCCI
1995 Ski Nautique GT40 |
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Payson9 wrote: