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    Mercruiser 5.0 MPI #3 cylinder ignition miss

    Hello, My Rinda indicates #3 cylinder misfire (2011 5.0 MPI with 255 hrs). I get about 100 misses in 3 minute? No code but I can feel it. I checked plug wire for resistance it appeared good. I will order a new plug, but my question is what is the best distributor cap to buy. I hear the...
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    HELP!! 2001 Volvo Penta SX running hot

    Ok guys 2001 Volvo Penta 5.7 liter. Boat starts to overheat as soon as I get on a plane, idling and revving in neutral to 3000rpm in water and temp stays at 160F. As I get on a plane the temp climbs to 180F then I back off let it get off plane and it cools back to 160F. If I don't back off it...
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    Shorelander Trail Brakes seized.

    My 2017 galvanized shorelander trailer starboard brake seized. I guess at 5 years the salt water got to it even though religiously flushed after each use. Funny I used trailer a month ago and no issues, didn't even put boat in water. This Saturday I smelled brakes, within 3 miles the heat...
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    2002 volvo penta 5.7 Liter idles but stalls when throttling up

    Trying to help a buddy. He has a 5.7 idles good but as soon as you throttle up, in water or on ear muffs engine just dies. Carburator was rebuilt and had zero affect. Is it possible timing is off? Any ideal appreciated.
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    Mercruiser Catalyst Manifolds are Lifetime / No replacement necessary

    Wanted to followup on Mercrusier Catalyst manifolds. 2010 Mercruiser 5.0 MPI used in saltwater for 300 hours. Flushed 90% of time. No other treatment but flush. Run hard. I ordered and replaced my Mercruiser catalyst manifolds $2000. It was a waste. Original manifolds looked fantastic. I...
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    Converting 5.0 mpi to closed cooling

    Hello, I have a 2011 Mercruiser5.0 mpi Catalyst engine. Just dropped $1600 on manifolds and risers. Does anyone have any experience with converting a salt water engine to closed cooling? My new manifolds have zero scale, I am wondering if my engine block has enough rust scale that it will...
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    Beware of Shorelander/Midwest Industries Trailers

    I purchased a new 2017 Shorelander trailer for my Searay 205 in 2017. The trailer was still on manufactures certificate of origin. First issue was they over torqued the lug nuts which forced the conical section of the lug nut to get compressed in the wheel and very difficult to remove as it...
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    Gasket failure between outdrive and gimbal.

    Anybody have experience with the gasket between outdrive and gimbal housing coming out on side next to water inlet passage. My installation pictures I took when installing two years ago look perfect. I would say 3/4 width of gasket came out. I smeared some RTV in groove which turned out perfect...
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    5.0 MPI Converting Cat manifolds to Non-Cat Manifolds

    I have a 2011 Mercruiser 5.0 MPI with Catalyst manifolds. Since the rear oxygen sensors rotted away every 18 months and threw an alarm I eliminated them with the CPI module. It simulates the rear oxygen sensors so your PCM doesn't throw a code. The rear O2 sensors only purpose in life is to tell...
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    5.0 MPI noise just as engine fires. Link to vide attached

    Been chasing a noise just as engine starts for months now. Originally thought was starter but not so sure anymore. Just as engine fires it generates a tick tick tick noise, sometimes a whistle type sound, sometimes a screeching sound and sometimes zero sound. Starter bolts tight and correct...
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    Mercruiser 5.0 mpi starter noise just as engine starts 2011

    I have a 2011 Mercruiser 5.0 MPI. Starter works fine but just as engine starts it gives a high pitched noise similar to belt slipping but it not the belt. It is the starter. does it 7 out of 10 starts. three starts it doesn't make any noise. It appears it is aftermarket API Marine 10099HD...
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    Mercury Fault Code 312 - Port side pre Cat oxygen sensor slow to respone

    Hello, Pulled Mercury fault Code 312 this my Rinda after the alarm went off. Mercruiser 5.0 mpi with Catalyst (puke). Boat runs flawless and oxygen sensor was replaced 2 years ago. Tested oxygen sensor with multi-meter and heater leads had 9.5 ohms and open connection between signal wire s...
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    2003 Mercruiser 6.2 liter issues? relaibility/

    I looking at a 2003 Baja Islander 212 with a Mercruiser 6.2 liter and bravo 1. Only has 80 hours. Is the 6.2 liter known to be a reliable engine as compared to the 350Mag? I seen some post with engine failures. Anybody have any experience?
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    Mercruiser 5.0 MPI Cat / 1 beep per minute but no code.

    Hello, I have an 2012 Mercruiser 5.0 mpi with catalyst. Boat runs perfect. I get a single beep once per minute only when engine running, not when key is just on. I checked with my Rinda and no codes were found under diagnostics or freeze frame. Does anybody have any idea why the horn would sound...
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