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    Painting Outdrives (fresh water)

    I am repainting my outdrives (Cobras). I have sanded down to mostly bare metal. I bought Zinc Chromate primer (recommened by shop). Any recommendations on this site as to primer or paint to use. The boat store likes to charge $16 a can... wondering if there is anything "special" about this...
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    OMC Cobra U-Joint Bellow Problem

    1989 Twin OMC Cobra (350/5.7) Each season, I pull my outdrives, check/grease spline, gimbal, u-joints. For some reason, (usually only my stbd side) 2 of the last four seasons, I get water in the ujoint bellow. Last summer, I started to hear a "hum" from that side, so I pulled my boat, and...
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    Need adivce: Repl. Gimbal Bearing and U-Joints-OMC Cobra

    '89 OMC Cobra/5.7 I have a slight "growling" sound coming off my Starboard engine. It's subtle enough that nobody can hear it (except me). But trust me.. it's there! This years is the ONLY year I didnt pull my drives in the spring, but I only put on about 15 hours last summer, so I didnt...
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    Need Advice for Prop-T-'89 OMC Cobra's

    I know this is a difficult question to answer, but I'm hoping some of you with experience swapping props can help. I have never deviated from factory props before, and my boat neighbor gave me a set to try out, because on my boat, I spin around 3600rpm and run around 29MPH - he gets 29MPH at...
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    OMC Audible Engine Warning when Tabbing

    '89 Four Winns, twin OMC Cobra 5.7's When I use my trim tabs, the "Alternator" alarm sounds. I know my alt is fine, and I have brand new (2 week old) batteries.. no elect. problems at all. I suspect the range is out of whack but dont know if there is a way to adjust it. Also, the OIL...
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    Need help selecting prop's-T89 OMC's

    I know this is a difficult question to answer, but I'm hoping some of you with experience swapping props can help. I have never deviated from factory props before, and my boat neighbor gave me a set to try out, because on my boat, I spin around 3600rpm and run around 29MPH - he gets 29MPH at...
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    Replace Gimbal Bearing '89 Cobra

    What is the best and/or easiest method to remove/replace the gimbal bearing on an '89 Cobra 350/5.7 ?
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    '89 Cobra 5.7 Stalls at in-gear-idle when warm only.

    1989 OMC Cobra 5.7<br /><br />My port side engine will sputter out and shut off, only at idle speed and while in gear (in water). It runs fine at any/all RPM above idle, but when I'm navigating back through the marina, is will just dies out after about 2-3 minutes at idle speed. I have NO...
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    OMC Engine Sputters Out Occasionally

    1989 OMC Cobra 5.7<br /><br />My port side engine will ocassionally sputter out and shut off, only at idle speed. I runs fine at any/all RPM above idle, but when I'm navigating back through the marina, is will "sometimes" just sputter out. I have NO excelleration problem or any trouble while...
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    '96 Polaris sl780 - Won't Start - Weak Crank - New Battery

    I have a '96 Polaris sl780 - when running, it runs great, very fast. Last week, I was on an island, tried to start it and she cranked slow (as if the battery was dying...) I jumped it off my cousin who was with me, and it fired up. The next stop (about 1/2 later), the same thing, except this...
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    How can I tell if my ESA is dead?

    1989 OMC Cobra/5.7<br /><br />It seems that last year, I checked both ESA's, and STBD was working by clicking the switch on the shift assembly, but my PORT side did nothing. I attempted to check again after making some idle and cable adjustments, and both sides do nothing now.<br /><br />I...
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    OMC Cobra/5.7 '89 Hard shift to R only.

    I have been through just about all of the posts regarding shifting and adjustments. I have a new cable on one engine that I just installed and followed the procedures.<br /><br />The problem is, both engines shift to reverse hard, especially when trying to maneuver. If I'm backing out of the...
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    OMC Cobra - Prop Spins in Neutral

    I have twin OMC Cobra's. My port outdrive prop will spin while running, but with the engine in neutral. I did just change and adjust the transom shift cable. But this happened before the change as well. In fact, I though this change would help, but it didnt.<br /><br />I can stop the prop by...
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    Fuel Sender

    Does anyone know what kind of info I will need to replace a fuel sender?<br /><br />I have an '89 Four Winns 285 Vista. Twin OMC Cobra 5.7l. Two independent 70 gallon fuel tanks. 1 fuel guage with a port/stb. switch. The guage works on the Stb. tank, but not the port tank. I'm assuming it's...
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    Vac-U-Flush Bowl

    Does anyone know the best (and preferrable cheapest) place to get a replacement series 806 vacuflush marine head??<br /><br />I saw on thier web site that they no longer manufacture them (they also state that it's thier most popular one.. how ironic that they dont make them anymore!!! Seems to...
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    How to Vacuum Test an Outdrive

    (89' OMC Cobra 5.7)<br /><br />I had one of my outdrives in the shop for some work, and they pressre and vac tested it. They mechanic told me to do the other drive by pumping in 15lbs. for two minutes (check for leaks), then he said to vac. 15lbs. for two minutes and check for leaks.<br /><br...
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    OMC Cobra Pressure Test/Seals Question

    I will be pressure testing my two '89 Cobra's (5.7) this evening. The process that I have is to pump up the drive with 7lbs. for about an hour, check for leaks and steady pressure. If OK, then pump up to about 15lbs. and maintain for about 2-3 hours, then check for leaks.<br /><br />I have two...
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    Water/Oil in U-Joint Bellow

    I posted the other day about water/oil (milky) in my u-joint bellow. (I belive it was Don) Someone suggested that there could have been water in the lower unit and pushed out throught the front seal into the bellow.<br /><br />After removing and inspecting the u-joint bellow, I think this may...
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    OMC-Replaceing Gimbal Bearing?

    I pulled my outdrive and water milky water/oil came out of the u-joint bellow. I cleaned it up the best I can, and pumped new grease into the gimbal until the milk stopped, and fresh grease was coming out. <br /><br />My question is related to:<br /><br />The gimbal bearing turns smoothly, but...
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    Reinstalling Cobra Outdrive

    I pulled my outdrive (1989 Cobra on 5.7l) to replace the u-joint bellow and shift cable. While trying to reinstall the outdrive, I ended up chewing up the inside of the new bellow, around the inside of the rim.<br /><br />My questions is, is it OK to still use that bellow (I'm thinking the...
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