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  1. M

    OMC Cobra flush options (in saltwater)

    I have an bowrider w/ an OMC Cobra and finally got a slip. I'm trying to find an adapter that I can install in the engine bay that will allow me to hook up a garden hose and flush the engine at the dock/in the water. I came across Perko's FlushPro, but it appears to have a check valve. I'm...
  2. M

    OMC Cobra - Overheating Issue

    Yesterday My '93 5.0 started to overheat almost 5 minutes after being put in the water. I shut it down before it hit 200 degrees, and put it on the trailer and went home. Today, I took the impeller off, and found it was burnt up ( see pic ) I backflushed the system from the engine compartment...
  3. M

    Started to winterize, ran into a problem

    I have a 93 OMC Cobra, Ford 302. I drained the manifolds and block, then proceeded to fill all the hoses with anti-freeze. I ran into a problem when i tried to fill the hose that leads to the sterndrive, it wouldn't take any fluid. So i hooked the the muffs up to the outdrive, turned on the...
  4. M

    Compatible Greases with OMC Cobra

    Hi, I have a 93 OMC Cobra, and for a while I've been using Pennzoil NLGI 2 Blue Marine Grease (the stuff off the shelf at West Marine). Recently, I put a tube of Mobil 1 NLGI 2 Synthetic red tacky grease in my grease gun for my truck. I have a lot more of it left and can't bring my self to trash...
  5. M

    Anti-Fouling Outdrive Paint Help

    I have a Four Winns bowrider with an OMC Cobra that stays in salt-water all season. I had my bottom painted with an ablative which I am happy with, considering the conditions it's put through. However, the outdrive was painted with some kind of "anti-fouling" paint from a spray can. It doesn't...
  6. M

    Here's a goodie: loss of power

    Hey, I'm having problems with my Ford 302 in my 93 Four Winns 190 Horizon. The boat was run dry last season due to a fuel gauge issue (which has been fixed). Ever since it was run dry, the boat doesn't reach its original WOT of 4200rpms. Instead, it now reaches 3500rpms max. Also, after about 45...
  7. M

    Volvo flushing system?

    I was told by a friend that volvo penta has some sort of system that can flush the cooling system when the boat is moored. He didnt know much about it, nor do i, just that it exists. My manifolds and risers were fine for 10 years but once I finally got a mooring, my manifolds rusted through. I'd...
  8. M

    Hesitation/Bogging/Surging

    Hi, this afternoon I cruised around for a good thirty minutes at 3000 RPMs or so. After that we kneeboarded for a good hour and a half or so at about 2200 RPMs. When I went to pull a skier up a few minutes later, the motor didn't want to go. Usually when I give it full throttle it takes off...
  9. M

    Steering Maintenance

    I'm putting my boat in today and was trying to finish off the lube process on all the systems. According to my manual, I'm supposed to grease the power actuator valve on the power steering ram assembly. I looked for a zirc fitting but can't find it. Is there a zirc fitting for a grease gun or am...
  10. M

    Dextron III?

    Hi i went to get some GM Dextron II ATF fluid for my trim pump and all i found was Dextron III, I asked someone and they said it isnt made any more and that Dextron III should work in its place. I figured i'd ask for the forum's opinion before i put it in my boat. Any reason i shouldnt use this?
  11. M

    OMC Cobra lubrication

    Hi, I'm in the process of de-winterizing my boat and wanted to fully lube the sterndrive. With my Clymers manual, I was able to change the gear oil, lube the splines and u-joints, but I can't find the specific grease for the gimbal bearing(zirc fittings on the starboard side). My manual calls...
  12. M

    Decarb? yes or no

    I've read a lot about decarbing outboards and it sounds like a good thing to do. You usually increase performace and are properly maintaing your engine by doing this every so often. However, I haven't heard too much about decarbing I/Os. I have a can of SeaFoam and was wondering if I should...
  13. M

    Sensor Alarms?

    I was looking over my Clymers manual. apparently there are audible warning switches for water temp and oil pressure on my boat. wouldnt i hear these warning sounds when i turned the igntion to "on"? does omc supply the alarm, or should four winns? whats the deal with these things, are they...
  14. M

    MSD 6M-2 Unit - Any Good?

    Hi, I have a friend that can give me a good deal on a MSD marine unit. I am considering getting this to facilitate some future upgrades. I wanna act fast so not to loose my chance but I had a few questions he couldn't answer. Will this work with the OMC ESA? I have the new style ESA with one...
  15. M

    More Horsepower??

    I just bought a 1993 Four Winns 190 Horizon. Its got a Ford 302 I think....OMC. I was wondering what some good ways are to get some extra power out of it. Not looking for anything too extraordinary, but want to get something more out of it. New carb, exhaust....??? Any ideas are much...
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