Recent content by Frozen

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    help with 1996 Mercury 225

    Last year I blew a piston in the motor and replaced it, it ran ok but then more problems started. Then I started having a shuttering and lose of power issue that I never got resolved last year. I didn't have time to work on it this year so I took it a mechanic. He said he replaced the fuel...
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    OMC Cobra Leak

    My 1988 OMC Cobra took in some water last season and when I pulled the drive to winterize I had a lot of outdrive oil in the driveshaft bellow. So today I started working on find the leaks, I assume there is a leak letting water into the outdrive and another leak letting the outdrive oil into...
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    Take a look at my pistons and heads

    Had a bad head gasket and am in the process of replacing them. This is one side I got taken off today. Not to thrilled with how 3 of the pistons and head side looks. What do you guys think??
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    1988 OMC 5.0l overheating issue

    Boat - 1988 Bayliner Trophy 2359 Engine - 1988 OMC 5.0L(GM) Cobra with a closed cooling system. Start boat and let it idle at dock, doesn't reach temp. 5-10min in no wake zone out of harbor, gets up to temp. Go out and run the boat for awhile temp is right where it should be. Enter a no wake...
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    5.0L Starting issue

    I'm having a hard time with my carb on my 1988 OMC 5.0L.Some times it starts right up no problem. Other times it just cranks and cranks. Fuel delivery is not a issue, always getting fuel pressure at the carb and the small carb filter is clear. It just like the carb is not squirting fuel. If I go...
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    OMC Cobra Clanking noise from outdrive - Video

    Any idea on what could be causing this noise? Is it bad? How to fix it?
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    Need help with fuel issue.

    Boat has a 1988 OMC 5.0 GM. It would run decent but had trouble starting. Also would only get up to about 3800-4000RPM. Added a fuel water separate, that had no effect on anything as expected. A friend owed me some money and had a sierra universal electric fuel pump kit so he gave me that. I...
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    Help with 5.0L and electric fuel pump.

    Just installed a electric fuel pump on a 1988 OMC 5.0L(GM) It starts and idles fine. But on the water if I give it more then 3/4 throttle it bogs down and drops RPM's and loses power. Am I not getting enough fuel from the electric fuel pump?
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    help with battery compartment

    My boat currently only has a starting battery. I'm rewiring the boat and adding 2 house batteries for a total of 3 batteries on board. First question - Currently the starting battery is port side and all the way in the stern. I would like to move that battery and add the 2 news on to midship...
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    wiring help

    Doing some rewiring on my boat and have a few questions. I'll start with the plan first. 1 Starting battery 2 House batteries 2 Combiner switches, Switch 1 is for the house and its output goes to fuse blocks and then 2nd switch which feeds the starter. So I can have either house battery feed the...
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    More speed out of a 1988 Bayliner Trophy?

    Currently only hitting 32mph on my boat at 4000rpm at WOT. I can not get the 4800rpm WOT rating. What should I do? I would love to get 40mph out of this boat. Do I have a wrong prop? Is that causing me to not hit WOT rpm? Also the boat is a really sloppy handler backing up. What should I try...
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    OMC Cobra spraying water out port side

    Everything had been going well running the engine on the muffs. Till is started doing this yesterday. I tried tightening that screw thats in there, but that made it worse. Is it just a seal that needs replaced?
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    Cobra hard to shift and no reverse

    Just installed my 1989 Cobra outdrive on a OMC 5.0L. The outdrive is bolted to the pivot but not torqued yet. I tested out the shifting and it is very hard to get into gear, forward and reverse. Reverse does not engage, the prop still spins freely. Forward does engage. Any tips or suggestions...
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    Only one trim tabs works, how is the system plumbed?

    Only one trim tab works. The tab cylinders only have one line going to them each. If I hit either switch up or down the motor runs. The port side works perfectly. When pressing the starboard side the pump run but that tab does not move. Is there a valve in the pump that directs the fluid to each...
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    Found this loose in the bilge, transducer?

    New to me boat, going through it all. Found this loose in the bottom the bilge, have not traced the line back yet. I'm guessing a thru-hull transducer for the fish finder, but not sure. It says RADARSONIC
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