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Unread 05-04-2009, 09:34 PM
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yep post a pic of that fried motor, that is the top of you piston, were you running premix or oil injection or both? what brand is that motor and yr.
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1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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Unread 05-04-2009, 09:44 PM
cterrebonne cterrebonne is offline
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man sorry to see that, sounds toast. we had a couple of carbed engines come into the shop last week that has bitten the dust.
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Unread 05-05-2009, 03:54 PM
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Thanks guys!
The motor is the one in the signature, an "84 Evinrude 150 horse, premixed fuel.
The compression is the same as 2 years ago, 90psi.
What's your opinion of cleaning the carbs and changing oil type and seeing how long it might take to finish off the piston, or do you think it will cause even more damage doing that?
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse

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Last edited by tsubaki; 05-05-2009 at 03:59 PM.
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Unread 05-05-2009, 04:24 PM
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at least remove that head and clean the stuff out so it won't break loose and make the motor loose a cylinder all together. just clean the head and piston top really well then install back with new gasket run till she dies.
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1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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Unread 05-06-2009, 05:10 PM
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I'll plan on doing that, thanks.
I'll put in line with the detrimental repairs list with the other stuff, which is ahead of the regular maintenance stuff and those are ahead of the other projects.
How did that go? God put me on this Earth to complete a certain amount of tasks, at this time I am so far behind that I will never die!
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse

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Unread 05-07-2009, 08:53 AM
fishinest fishinest is offline
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dont look good maybe try to decarb the motor clean carbs new plugs fresh fuel and see if it helps before tearing apart
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Unread 05-07-2009, 09:57 AM
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that sucks man....sorry.....
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C:\Documents and Settings\cyensen.VISTADESIGN\My Documents\My Pictures\boat\DSC00750-a.jpg CY 1984 V20 STEP LIFT I/O 470 MERCRUISER Wheeling, WV
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Unread 05-07-2009, 09:58 AM
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Quote:
Originally Posted by fishinest View Post
dont look good maybe try to decarb the motor clean carbs new plugs fresh fuel and see if it helps before tearing apart

DO NOT RUN till you get that stuff out of the head or it most likely be the end of your motor.
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