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Old 09-13-2017, 06:36 PM   #1
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Default Omc vs mercruiser?????

I am looking at buying a used inboard outboard boat and I was told by one person to not buy omc is omc that bad or what please help!!!!
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Old 09-13-2017, 06:41 PM   #2
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Originally Posted by kickerb6 View Post
I am looking at buying a used inboard outboard boat and I was told by one person to not buy omc is omc that bad or what please help!!!!
They have not been made forever and parts are harder to find.
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Old 09-13-2017, 06:51 PM   #3
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Older OMC's had a big bellows on the transom that the outdrive went through. They were prone to a lot of problems. Mercruiser probably has a better parts network and track record as was stated above.
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Old 09-13-2017, 07:14 PM   #4
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Older OMC's had a big bellows on the transom that the outdrive went through. They were prone to a lot of problems. Mercruiser probably has a better parts network and track record as was stated above.
And the later OMC Cobra's were prone to shifting issues. Nice drives but they require someone w/experience to maintain & adjust the system.
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Old 09-14-2017, 01:04 AM   #5
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Hello, you say inboard, I assume you mean inboard with outdrive, in the end OMC sold to Volvo (I think they then called them the SX drives from then on), anyway, solid drive but with the odd hiccup, the bellows as mentioned but it would put me off, a decent shop with experienced outdrive mechanics should be able to work on them, parts are not such a problem, just fewer sellers, we had a 24 footer with the what I think was the 460 big block Ford motor, King Cobra combo, went like a banshee from hell, serious oomph. As long as the boat and motor and drive check out okay and there is some history or maintenance I wouldnt be too worried. Hope this helps.
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Old 09-14-2017, 03:45 AM   #6
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You will have a much easier time with getting service on a Merc drive than on an OMC. I've had a Cobra for 15 years and still have a few places that will work on it if needed. I have been able to get most of the parts I needed over the years but some things are NLA, like the one piece manifolds used on the V6 Cobras. I was able to convert mine to a Volvo style center riser set up using Barr manifolds & risers and Volvo 90* exhaust pipes and hoses. Same set up as on the SX; fits the Cobra Y pipe perfect.
I taught myself how to set up the shift linkage with the 3 OMC special tools; I found it pretty straight forward.....
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