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Go Back   SailNet Community > On Board > Boat Review and Purchase Forum > OMC Sail Drive
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Thread: OMC Sail Drive Reply to Thread
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Topic Review (Newest First)
06-19-2007 10:18 AM
sailingdog chamann981-

Be aware that if you have a waterlift muffler on the engine, it will suck up water when you crank the engine. If you crank the engine for more than 10-15 seconds, you should close the raw water intake until the engine starts. This is to prevent the engine from sucking in so much water that it enters the cylinders through the exhaust valves, via the water lift muffler. An experienced mechanic should have known this. This sounds like what happened to you.

If it was only being turned over via the starter, it may not be blown, and may be a relatively inexpensive repair.
06-19-2007 09:40 AM
chamann981 Thanks -- you sound experienced. The mechanic drained the water, did the compression check and then launched it again to check it out (the water intake is in the skeg so he couldn't use the muffs). He said that the lower cylinder filled with water when they were just turning it over with the fuel off??
06-19-2007 09:32 AM
sailingdog Unless it was running full tilt when it hydrolocked, it is possible that it isn't badly damaged. I'd get a second opinion. If your boat wasn't designed for an outboard, you won't be happy with the performance, looks aside... the outboards tend to porpoise in and out of the water, and also add a lot of weight far aft...
06-19-2007 09:13 AM
chamann981
omc saildrive

Quote:
Originally Posted by modusvivendi
Not more difficult than most sailboat that size! Have you seen a sailboat that size with inboard that was easy to access? I have a C&C27, with the famous Universal Atomic 4. You got to go on a diet a week prior to working on the engine.
I heard the OMC saildrive are reliable and you should not worry about them too much. I know someone who has one, and he had water backing up to the engine. the engine stalled and filled with water. I heard of a drain plug on the exhaust, does anyone know about this? Perhaps you could buy a used one, and save the parts for the future!
I have an OMC saildrive in a late 70's S2. It worked fine until this season when one of the cylinders filled with water. The mechanic says the engine is toast with probably a cracked cylinder. However he said the compression test was OK ??

Experienced advice is needed! Should I drag the boat all over Western New York looking for a second opinion on an almost 30 year old engine or just hang an outboard on the stern? I love the convenience of the electric start inboard and the looks of not having and outboard sticking out back.
02-18-2007 09:43 AM
sailingdog Chris, you are aware that they haven't posted in six years... and are very unlikely to respond...
02-17-2007 11:20 PM
chrisMiller
did you get rid of your omc engine

Quote:
Originally Posted by traversing
I have a 1980 15hp OMC Sail Drive in my 1980 Helms 27. I am getting ready to remove it from my boat because I need the storage and also to hang the new Mercury 9.9 Four Stoke off of the stern. I am wondering if there is a market for good OMC Sail Drives and what they may be worth. I am sure someone out there could use it. I can be reached at traversing@yahoo.com Thank You, Ronnie Warren.

I am looking at purchasing a 1980 S2 7.3 and it to has a OMC engine. I see where you wanted to remove the engine and put on a outboard. Did you do it? and if so how hard and expensive was it to do and have you had any leakage problems.

Chris
03-15-2001 01:51 PM
bgriffiths
OMC Sail Drive

Thanks for the reply to my message. I appreciate the advice.

Bob
03-09-2001 01:45 PM
modusvivendi
OMC Sail Drive

Not more difficult than most sailboat that size! Have you seen a sailboat that size with inboard that was easy to access? I have a C&C27, with the famous Universal Atomic 4. You got to go on a diet a week prior to working on the engine.
I heard the OMC saildrive are reliable and you should not worry about them too much. I know someone who has one, and he had water backing up to the engine. the engine stalled and filled with water. I heard of a drain plug on the exhaust, does anyone know about this? Perhaps you could buy a used one, and save the parts for the future!
03-03-2001 09:57 AM
bgriffiths
OMC Sail Drive

What can you tell me about OMC saildrives? Are they reliable? How difficult are they to work on in a cramped space? How difficult are they to remove entirely from a Hughes 26? How much of a fire hazard are they? Do you have thoughts on a small diesel alternative?
Is a 9.9 outboard big enough to push a Hughes 26? Would I need a long-shaft 9.9?

Bob
02-15-2001 08:11 PM
JWMOORE
OMC Sail Drive

I found him again. He can be reached at:
Author: billybee (billybee@bayou.com)
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