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TOPIC: Hey OMC Cobra guys! Look at this drive, and tell me what you see...

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 17:57 #1

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This drive is on a boat I am interested in.

Please ignore that its an OMC Cobra. Yes, I know. What I am trying to find out is ascertaining condition.

I am concerned about the scuff on the side of the drive. Is the drive trying to tell us that there's something worn out, thus causing the scuffing?

I have maintenance records going back to 2001 for this boat, and there has been a shift cable adjust (and later replacement) as well as a skeg repair on this thing. Original decals, so I believe this to be a trailered boat (zincs look good). Missing side emblem, so I will bring a magnet to the inspection to see if there is a loose bolt rattling around in the case.

Marina says it runs like a raped ape and is more than willing to fire it up and shift it F-N-R for me. Obviously the water is very hard right now so no sea trial, but they are more than willing to take a deposit and sit on the boat till April.

Thoughts?

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Matt Train
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Chicagoland, IL

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 18:30 #2

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Is it possible that the tilt cylinder is improperly mounted i.e. without the proper spacers?

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Obama is not a brown-skinned anti-war socialist who gives away free healthcare. You're thinking of Jesus.

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 18:37 #3

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Matt,
It did'nt have those trim cylinder supprts at one time that slip over the cylinder while they are up for roading and storage did it.
Other then That it's a King Cobra I have hade good luck with the ones I have had.
Check it out.!!!

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 18:41 #4

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Matt, all that's missing is this :D

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Rick E. Portland, Oregon
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 18:43 #5

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Rick I think you meant this, its a common mistake, no problem. :)

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Ryan
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 18:49 #6

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The missing paint around the nuts, and the gasket discolouration lead me to believe that that leg has been off sometime in the past (this is not necessarily a bad thing). Do the service records indicate this?

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Bob Hawes.
Kelowna, B.C.
1998 Trophy 2052 WA
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 19:18 #7

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Did they maybe support it with a rope or something for an extended period? I don't know of anything in that area to rub.

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 19:50 #8

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Days away;416974 wrote: Matt,
It did'nt have those trim cylinder supprts at one time that slip over the cylinder while they are up for roading and storage did it.
Other then That it's a King Cobra I have hade good luck with the ones I have had.
Check it out.!!!


Regular Cobra not king.

Inside of the trim cylinders are rubbing, no big deal. See if there's still play in it, may have been fixed. It'll rub the paint off but not cause any damage.

What time you coming up on Sat? Would like to see it and meet you. I might still buy it if you pass. If you do go for it, I'd recommend dropping a low offer ($2800) and wait a week and see what happens. It's not going anywhere. Make a list of things/$$ that need to be fixed/replaced and ask them to pass that on since its a broker boat. :)

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2005 Crownline 316 LS "The Lucille"

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:01 #9

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biohazard;416978 wrote: Rick I think you meant this, its a common mistake, no problem. :)

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Matt Train
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Chicagoland, IL

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:04 #10

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bhawes;416982 wrote: The missing paint around the nuts, and the gasket discolouration lead me to believe that that leg has been off sometime in the past (this is not necessarily a bad thing). Do the service records indicate this?



Yes they do. The drive had to come off for the shift cable replacement. This boat apparantly had some shifting issues (its a Cobra after all) and after adjustment it still didn't go away, so they replaced the cable.

Patrick, we will be up around 2 p.m. saturday. I have your number and you have mine, so call me Saturday morning and we can update you on where we're at so you can meet us.

If I don't buy it, and you don't buy it, I may have another BOCer (HDPipes) interested in it. :) But I am pretty interested...

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Matt Train
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Chicagoland, IL

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:04 #11

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Download_Complete;417011 wrote:

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awww look matt they made one just for you!

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Ryan
Hastings, Minnesota

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"Sonnie Due"
1999 Bayliner Ciera 3055
Twin Mercruiser 5.7L Bravo 2[/FONT]
MMSI : 338122217
"If you wish to make an apple pie from scratch, you must first.....invent the universe"
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:05 #12

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2850Bounty;416976 wrote: Matt, all that's missing is this :D

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You have chosen.....wisely.

:)

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Matt Train
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Chicagoland, IL

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:37 #13

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Download_Complete;417014 wrote: Yes they do. The drive had to come off for the shift cable replacement. This boat apparantly had some shifting issues (its a Cobra after all) and after adjustment it still didn't go away, so they replaced the cable.

Patrick, we will be up around 2 p.m. saturday. I have your number and you have mine, so call me Saturday morning and we can update you on where we're at so you can meet us.

If I don't buy it, and you don't buy it, I may have another BOCer (HDPipes) interested in it. :) But I am pretty interested...


Don't they close at 2? I was thinking they were open 8-2 on Saturdays.

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2005 Crownline 316 LS "The Lucille"

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 20:46 #14

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ishiboo;417032 wrote: Don't they close at 2? I was thinking they were open 8-2 on Saturdays.


Its by appointment, and he's willing to come down and open the shop for us. I told him you were coming with me, and he's probably thinking its a small damn world. :)

Also, my fiancee is coming with us and we're bringing our two dogs, so I hope you don't mind the extra company.

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Matt Train
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 21:00 #15

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Check the Thrust Plates & Shims on either side of the upper gearcase.
They hold the unit in the yoke.

Without them the unit will move back and forth, under power and MAY cause those scratches, when the steering is hard over.

When I bought my 1750 both plates had vibrated off.

Unfortunatly the drive has to be removed to get inside the unit to attach the shims and plate.

fred

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Have you ever noticed? Anybody going slower than you is an idiot, and anyone going faster than you is a maniac.

Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 21:17 #16

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Download_Complete;417016 wrote:

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You have chosen.....wisely.

:)


Ha-love that.
+1 on the VDP. I understand there is a conversion kit that is bolt on pretty much?
The "he chose poorly" is my favorite for "understatement of the year" lol.

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 21:56 #17

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I don't know if the indicated areas are just wear (it looks like the paint has come off with someone removing the cobra decal), but look around the ends of the trim cylinders - it almost appears that the paint is cracked there too - wouldn't that indicate hairline fractures? Perhaps some catastrophic trim cylinder failure and subsequent drive twist?

On the other hand - it is quite possible I have absolutely no idea what I'm talking about. Take that into consideration too....

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 09 Feb 2010 22:02 #18

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Who cares? If the price is right and he can get it even cheaper if the drive has issues, recycle that boat anchor cobra and get the volvo on there...

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 02:59 #19

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It's been awhile, but if I remember right, there's washers to the inside of the rams that hold it out from the drive. Take a look. If the rams are clear of the drive, then the drive must have been scuffed when the mechanic was working on it.

The first photo shows hard plastic spacer/washer between the rams and drive. 2nd picture shows the two spacers.

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Look at the microfiche on dougrussell http://www.dougrussell.com/partscatalog/volvo_omc/index.cfm?fuseaction=comp&group=692&GroupList=678,679,680,681,682,683,684,685,686,688,687,689,690,691,692,693,694,695,696,697

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Craig Capitola Village, CA
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 02:59 #20

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It looks better than my outdrive. I wouldn't buy it without a sea trial

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 03:20 #21

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mudskipper;417066 wrote: I don't know if the indicated areas are just wear (it looks like the paint has come off with someone removing the cobra decal), but look around the ends of the trim cylinders - it almost appears that the paint is cracked there too - wouldn't that indicate hairline fractures? Perhaps some catastrophic trim cylinder failure and subsequent drive twist?

On the other hand - it is quite possible I have absolutely no idea what I'm talking about. Take that into consideration too....


Are we voting :D




And the quote of the day is

All hat no cattle.


Got it right that time.

Ken

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 03:34 #22

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matt wut r you going to look at?

Can u post a pic or 2 of the boat for us?

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Ryan
Hastings, Minnesota

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"If you wish to make an apple pie from scratch, you must first.....invent the universe"
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 05:14 #23

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from what I remember without looking... the ram can not touch this area if plastic shims at rear anchor pin or the plastic wear plates are missing.
this drive has been repainted and is loosing paint.. poor prep job?
important parts is does it shift... hold a gear... and hold pressure(no leaks)

for myself I do like these drives... holds twice the amount of fluid as a mc1, requires less lube changes tahn the mc1 because of the more volume of lube. and they hang in there quite well...

the only problem with these drives is improper filling. this is the only drive that requires filling from the middle not from the bottom of the drive. if filled from the bottom it will leave an air void taht will adventually amke it to the upper gearcase and will run the upper dry of lube.

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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 12:09 #24

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Hey Matt, what happened to that new boat you were absolutely going to buy a couple months ago? Loan was approved and all. Or, or, or. :)
Doug

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Started boating 1955
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Hey OMC Cobra guys! Look at this drive, and tell me what you see... 10 Feb 2010 15:14 #25

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biohazard;416978 wrote: Rick I think you meant this, its a common mistake, no problem. :)

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:D



Matt, as you know, I've used this one several times...... good one, isn't it?
That, and the Great Carnac! :)

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Rick E. Portland, Oregon
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