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    Omc Sterndrive Tilt Problem

    gOT A 1989 omc cobra fitted. Got a problem with the outdrive. When I operate the switch on my throttle lever, nothing happens. Cannot hear hydraulic motor turning, no click no nothing. Think its electrical. The boat has been laid up for a while, starts great but no movement on the...
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    Omc 3.0l Gm Inline Cobra Will Not Start

    Been away for twelve months so not been able to use boat at all. Prior to going lubed everything and did what I could to preserve and protect her. Put new condenser new plugs, fresh oil etc, this being last year. Fitted them then had to go away, as I say new parts never used boat has not moved...
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    V Belt Problem

    Hello everybody , hope you can help. My 1989 Omc Cobra keeps chewing up v belts. I suspect pulleys may be out of line or even wrong belt fitted (got new one on order). Now this sounds really dumb, but I have been trying to sort it all morning. The old belt was shredded so I had a spare one (not...
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    Idling problem 1989 3.0l cobra

    Hi everyone, can anyone help me out. My engine fires up perfectly.I give it a bit of throttle to warm her up before throttling back and engaging the gear.The problem I have is when I engage the gear she stalls out. She has a twin barrel rochester fitted but I am a bit unsure as to what...
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    A Little Advice Please

    Hello guys hope you can help me again. Last yera my 3.0L Cobra had a good old drink on a large quantity of salt water.The whole engine ground to a halt and cost me a packet to put right. Anyway I had the engine re done and took the advice to change the manifiold and the elbow as the originals...
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    Omc Cobra Quick Tip

    Probably stating the obvious here. Took boat out today, leaving the harbour noticed engine was running very lumpy.Appeared to be 'missing'. Went back to harbourside and found wire loose on ignition coil. Sorted. So to all you people out there, who just like me think when something goes wrong its...
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    Omc Sterndrive

    I have a 3.0L 1989 Cobra with an OMC Sterndrive.My boat is currently moored in the local estuary.The only problem is that the mooring dries at low tide.This leaves my boat on the sand with the outleg (raised) sitting in the sand.The sand itself is soft and wet.Someone told that due to it being...
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    Where Can I Get The Right Manual

    Ok, all you OMC guys.I have a 1988 3.0L Cobra the block of which has just seized. Thats being sorted as I speak, however WHERE OH WHERE can I get my hands on an OEM OMC workshop manual.I keep reading the threads and everyone dismisses Clymer and Seloc. I live in the South of England (UK) .Can...
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    easy swap?

    Today I left my boat and its 3.0L OMC COBRA with an engineer to look at as the engine may have seized at the weekend.I have seen the exact same unit complete with sterndrive on the net.Same year,model the lot (cant believe my luck ,guy has removed it and refitted a diesel to his boat.) Anyway...
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    Engine cutting out

    I have a small 3hp yamaha marainer ob. I got the engine at a boat jumble. I was told it was a runner, and it appears pretty good for its age. But when I twist the throttle it revs up and then stalls.Any ideas.:confused:
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    Good engine manual

    I have a Clymer engine manual for my 3.0l Cobra, the manual appears ok but raeding some of the threads re Clymer appears people do not rate them.Any ideas on a better workshop book . Also how do you tell an Alpha drive from a Bravo drive? Again the ,manual not much help.:confused:
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    3.0l cobra seized?

    I posted at the w/e re my 1988 Cobra coming to an abrupt halt after overheating badly. Just wanted to ask about this.When I lifted the engine cover I noticed oil lying on the surface of the exhaust manifold just alongside the carb. Asked about it today someone mentioned that could be an oil...
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    inboard repair or outboard conversion?

    For those of you good enough to give me some advice this weekend especially you bond-o (big thanks, note no-caps!) I am visiting a marine engineer in the morning as I think I have managed to sieze up my 1988 Cobra 3.0l inboard.:( Anyway a friend suggested that the option of a replacement...
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    Please Help Think I Have Big Problem!

    Hi Guys.i'm A Novice When It Comes To Boat Engines,but I Recently Fitted A New Starter To My 3.0l Cobra Engine.started It Up And Noticed Oil Pressure Was Not Quite What It Normally Is.thought It May Have Been Due To The Boat Being Laid Up For The Winter And May Have Been A Bit Oiled Up...
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    Oil Pressure Unit

    MY OIL PRESSURE GAUGE APPEARS TO BE FAULTY, CAN ANYONE TELL ME EXACTLY WERE THE OIL PRESSURE SENSOR IS ON A 1988 OMC 3.0L MERCRUISER. A DIAGRAM WOULD BE GREAT.:confused:
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    firing order

    I know this is may be a really stupid question, but as I am a novice when it comes to boat engines can anyone tell me or maybe post an 'idiots guide ' diagram of which lead from the distributor goes to which plug.The engine is a 1988 OMC 3.0L COBRA.Sorry for sounding really stupid but I need...
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    What does this switch do.

    Being a relative novice when it comes to boat engines.On my 4winns I have a toggle switch on the dash that has the letters ACC under it.Anyone know what it does?:confused:
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    Omc Cobra Still Wont Start!

    Hi Everyone Back Again.fitted New Starter Today,already Checked Plugs Sparking Ok,fuel ok,battery Leads Ok.contacts,condenser And Rotor All Changed.still Will not Start !!!!!!!!!! loads Of Power in engine.If contacts .were Not Set Right Would That Cause It,or possibly timing out.please Help.:(
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    Starter Problem

    Think I have found the source of my engine not starting.Got my new contacts, fitted them still no go. Last resort the starter.Took me hour and half to get off.When I did found the insides of starter totally meltedand burnt out.If anyone having starting trouble with an OMC COBRA check...
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    Best Place For A Starter

    AT THIS TIME I AM HAVING PROBLEMS WITH MY OMC COBRA 3.0L.I AM CURRENTLY WAITING FOR A TUNE UOP KIT TO ARRIVE.BUT, IF THE PROBLEM IS THE STARTER DOES ANYONE HAVE ANY IDEA WERE I MIGHT GET ONE FOR A REASONABLE PRICE.THE ONE THAT IS FITTED LOOKS LIKE BEING A ***** TO REMOVE AS IT APPEARS TO BE THE...
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