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    Aftermarket Optiona for Hi-Lo Fuel Pumps on Mercruiser Cool Fuel 3 ?

    I am looking for high quality aftermarket options for these two parts 866170A01 - Mercruiser Pump Assembly Fuel Low Pressure 866169A01- Mercruiser Pump Assembly Fuel high Pressure Mercury OEM ones are extremely expensive.
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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 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

    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?

    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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