MOTOR HELP :-)

[pmtt15]

I recently was fishing up on Winni and my motor (96' 90 hp Merc.. 3 cylinder) went out on me.... I took the boat and motor to supreme marine and they said that water had gotten into the gas and ruined the engine... they quoted me $1600 to get it fixed.. yikes !! so with that in mind, I decided to fix it myself.. I had a compression check done on it and more than likely will need 2 new pistons and will replace all 3 rings... if anyone has any tips or suggestions I should know about before venturing into this, please feel free to let me know or if anyone would be willing to lend a hand that has worked on outboard motors before, I would be willing to pay or maybe do a trade off of some musky fishing here in the cities ... thanks !!

[Maximum12]

pmtt, toss this out in the Equipment/Expert forum near the top of the topics list. The folk there are usually really helpful.

[Paul Waldowski]

Moved to Equipment forum

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Paul
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[Surface Tension]

pmtt15, Welcome.
I wish your first post could have been under better circumstances.
First thing you need to do is get a second opinion.
I have some questions. Who did the compression test and what are the results?
Did you verify that you indeed have water in your gas? How did the shop come to the conclusion that water in the gas did damage and specifically what damage did it do?
How did the engine run before you noticed you had a problem and how long did this problem go on for? How does the engine run now? What do the spark plugs look like?

[This message has been edited by Surface Tension (edited 09-14-2004).]

[Valv]

I second ST for suggestions.

Just to give you an idea of what it's involved, you'll have to remove whole power head from base of motor.
Outboards are not built like snowmobiles or other 2 strokes, where you remove heads, and cylinders, and pistons are exposed.
To open motor you'll have to remove all carbs, reeds, and accessories, then crankcase has to be opened and you will have to slide out crankshaft/rods/pistons as a whole unit.
Replace rings, hone cylinders, and re assemble inserting pistons/rods/crankshaft as a complete unit.

It is not an easy job. I just wanted to warn you in case you really want to tackle this job.

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Val Vignati

www.kvesurplus.com
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