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    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    So we checked for vaccum leans non. Pumped out all old fuel and our new 91 octane fuel, replaced the fuel water filter and traced any obstructions from the tank to the fuel pump. Engine compression on all 8 cylinders is 170+ the fuel pump reads between 36-38 consistent and at at 1500 rpm we are...
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    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    Yea it was each time we advance the throttle on load (in the water - not the hose ). There is a horn but no code necessarily a long horn
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    Mystery Problem on Mercruiser 350 MAG MPI 5.7L

    No parts where GM - Bosch OEM.. not knock offs
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    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    2006 S/N 0W619678
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    Mystery Problem on Mercruiser 350 MAG MPI 5.7L

    I will get the exact numbers tomorrow, but they were all between 165-185. So we put all 8 new fuel injectors on the engine too.. So coil plus injectors and a brand new cool fuel 3 module has not fixed the issue.
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    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    We have checked for all mechanical problems and have great compression; we replaced the old cool fuel module with a brand-new fuel pump module! New ignition coil and distributor. All 8 new spark plugs and band new bosch fuel injectors. The reason; we were fixing a long block piston ring that was...
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    Mystery Problem on Mercruiser 350 MAG MPI 5.7L

    I replaced the coil with an OEM part, but the problem persists. I have a Bravo 1 drive, and it doesnt seem to have a shift interrupt switch either. The engine runs great on the muff/hose.. But as soon as we put in water and try to put in gear it sputters and cuts off
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    Mystery Problem on Mercruiser 350 MAG MPI 5.7L

    I have had a problem boat wih a Mercruiser 350 MAG MPI 5.7L engine with Bravo 1 outdrive.. It was a saltwater boat when i bought it, and over the last two years, I have slowly carved away at the problems. Engine S/N: 0W619678 Replaced so far on the engine: Manifolds and Risers, Oil Pan &...
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    Mercruiser 350 MAG MPI 5.7L Gasps to plane when cold

    Well no compression.
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    Mercruiser 350 MAG MPI 5.7L Gasps to plane when cold

    Recently replaced the long block on a 2006 Mercruiser MAG MPI 5.7L all was good in the beginning but recently I noticed that the engine struggles to plane and seems to gasp from a cold start. This behavior changes as soon as the engine is at 175 deg and after which the engine planes and has no...
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    How do I remove and old shaft adapter from steering wheel

    I took my old steering wheel off and found a shatter adapter behind it. The new wheel I purchased came with an 3/4 tapered end on it already. I am not sure to remove the shaft adapter shown in the picture. Internet searches have been useless. new steering week pictures also posted
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    Polk Ultramarine UMS66S wiring questions

    I have a set of relatively new Polk ultramarine UMS66S speakers and UMS108S sub I want to on my 2006 FourWinns Horizon 210 which has an old clarion CMD4 head unit, amp and 4 speakers and old clarion sub. I am planning to replace the head unit with a fusion R70N head unit and a Skar 1000 ABM...
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    5.7L Mercruiser 350 MAG MPI Horizon Part Identification - What is this?

    You my friend are a champ! Would you happen to know how I can source the part number for this entire part? I can’t find it anywhere
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    5.7L Mercruiser 350 MAG MPI Horizon Part Identification - What is this?

    I have a 2006 Four Winns Horizon 210 with a 5.7L Mercruiser 350 MAG MPI. Serial # 0W619678 I have slowly been replacing corroded parts and learning about my first boat. There is one part I can’t place in the service manual or supplements. It sits on the L backet below the alternator on the left...
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