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    engine bogging and poping truh carb ..

    hi all, ive a 1988 bayliner trophy with a mercruiser 3.0 engine, the engine starts great and idles fine, but once i pass 3000 rpm ( aprox ) the engine hesitates and looses power and some times pops thru the top of the carb, has anybody any suggestions of what trouble shooting steps i...
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    omc cobra losing drive

    hi, i just launched my boat today ( 1988) bayliner trophy, the shift cable had been changed over the winter but it seemed to be getting the gears no problem, however, when i was motoring out of the harbour and speeding up it seemed to loose drive and slowed a way down, the engine revs...
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    mercarb overhaul advice

    hi ive a baylner trophy with a 3.0 l mercruiser engine (1987) ive tracked down a miss at 3000 rpm and 3500 rpm to my carb. i printed of the mercruiser manual and i'm setting the float height. the manual isnt too clear and i would like to know where exactly to measure to on the float. its a black...
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    what are the symptons of manifold failure?

    hi i have a 1988 bayliner trophy with a mercruiser 140 hp 3.0l engine. in my search to resolve a misfire ive descovered that my plug on cylinder 4 tastes salty. could this be a result of manifold breakdown. what are other symptons of a faulty manifold? cheers Gary
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    Mercruiser 3.0l starts idles but splutters ?

    hi, ive just got my engine back together after having the valves reground. the boat starts and idles no problem, if i rev it quicky it revs but when i try to accelerate easy it sputters and nearly dies out. Ive new plugs, new points,all set as per manual. Has anybody any ideas whats causing this...
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    06 mercruiser 4.3 sooting plugs ?

    hi, my neighbours boat has a 4.3 mercruiser engine. he was changing the plugs last night and noticed tha the plugs looked dark and sooty..the boat also pinks a bit when slowing down. is the engine running too rich and where is it adjusted if it is? cheers gary
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    Inlet/exhaust manifrold on a 3.ol

    hi, im just a bout to put the head back on my 1988 mercruiser 3.0l after replacing a burnt valve. would it be advisable to use formaGasket / silocone along with the new manifold gasket..?? cheers Gary
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    3.0 loss of compression

    hi, i have a 1988 3.o mercruiser in my bayliner trophy. i noticed that it was running a bit rough at idle. pulled of the plug leads and it's off on no 3 cylinder. the spark is good. I did a compression test and got 125psi for the other 3 cylinder and 75psi for no3. Im ging to do a leak down test...
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    bayliner trophy propellor/ speed question

    hello, i have a 1988 bayliner trophy hardtop fitted witha a mercuiser 3.0 liter engine and an OMC cobra leg. currently the boat will do 20 knotper hour (sog) and reving at 4000 rpm wot. (2 adults and 2 kids in boat) is this as fast as i could expect or would a change of prop help get me a bit...
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    omc cobra tillt problem

    hi i have a 1988 bayliner trophy 21 hardtop with mercruiser 3.0 engine and a omc cobra leg..when i went to lift the leg last night it got 3/4 of the way up and i stopped it..i went to continue lifting it and all i heard was the solenoid clicking.. i could see nothing obivious..so i bridged out...
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    omc cobra steering problem

    hello all, this is my firts post but i have been reading this forum for a while, the steering on my bayliner trophy fitted with omc cobra drive (1988) is very stiff. The cable is free. i decided to do the bellows and the gimbal bearing before relaunching my boat. I took the drive off no...
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