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    Mercruiser 5.0 Bravo 3

    No way to know for sure the reason for alarm without a diagnostic scan tool. If you have vessel view or the mobile app system you can see fault history with that Otherwise wag would be sea water pump pressure out of range, overspeed in neutral or overheat
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    Steering tight/hard to turn when i turn right

    Is the engine equipped with power steering?
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    Boat stays in reverse after shifting from reserve to neutral

    Shift interrupt switch not working properly Cable adjustment or replacement
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    5.7 Mercruiser stalls out

    Cap and rotor appear correct, there is no vacuum line/port on the distributor or cap. It's a vent and is supposed to he there. Ignition wires are long to route properly around the exhaust manifolds Only issue I see is old style ignition sensor in the distributor. I've seen those act up...
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    Missing bolt behind motor

    Shift cable is routed improper
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    2000 Bayliner Trophy

    Again, depends on the care/maintenance over twenty plus years You'll have to look at the areas mentioned yourself, internet has its limitations
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    2000 Bayliner Trophy

    Bayliner is 50/50 on build quality. Some good some bad, a lot depends on how well they are cared for but some were just doomed from the onset I will say the trophy line offers very limited access for engine and accessory repair/maintenance. The focus was on big water fishing so deck space is a...
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    1996 mercriuser 5.7 alpha one gen 2

    That's time for a compression test if you're curious as to which hole(s) are dead Otherwise skip the compression test and start tearing down your whipped engine Best case, valve job. Worst case, long block
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    Preloading without the rolling dial torque wrench

    No You'll never know if the proper preload has been set. 3-7 lb/in for used bearings Borrow a dail/rolling torque wrench from auto parts store/tool library?
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    Everything done but low rpm at WOT. Distributor spring?

    But holley does, and they're all for sale. I've never had an issue finding oem parts for holleys, online or locally Genuine holley rebuild kits come with a plethora of info on rebuild specs for a huge range of carburetors. Schematics, parts lists, tuning specs/procedures, etc...
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    Mercruiser 4.3 MPI 262 CID s#1A34694Z NOT IDLING CORRECTLY SOMETIMES

    Would guess piece of debris in fuel tank occasionally blocking pickup tube
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    Omc cobra 5.0 gear set

    Do you have access to new oem cobra gearsets?
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    engine swap question

    Look at the engines Do they have the same accessories mounted in the same arrangement? Pictures is good to look at
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    Unidentified wire

    FYI thunderbolt 5 is also mounted to the exhaust riser/elbow If you indeed have thunderbolt 4 then someone swapped out the module or harness and the wire is superfluous
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    Unidentified wire

    If the engine has thunderbolt 5 the pur/wht wire is grounded to set the module in service mode for idle ignition timing
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    Mercruiser 140, MR outdrive - unidentified fastener

    Whatever it is its not supposed to be in the u joint bellows WAG is an aftermarket piece of a special tool forgotten in there, its certainly nothing oem
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    Mercruiser 140, MR outdrive - unidentified fastener

    That's nothing I've ever seen in/on a mercruiser mr/alpha drive or transom assy That piece was in the bellows?
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    7.4 flame arrestor to KN

    Those are some pretty impressive numbers! Although I'd be curious to know what the prior numbers were. A stock naturally aspirated 454 won't even come close to 500 hp, let alone 400 Many studies have proven the mentioned air filter system restricts air flow thus dampening performance (oil in...
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    1998 Mercruiser 4.3 Wont start

    Stuck float/needle? Try lightly rapping on the carb with a screwdriver handle while cranking engine
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    Mercury xr2 not turning over

    Is there lube in the gearcase?
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