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    Merc Smart Craft // 150 Four Stroke - Question

    Yeppers But what about the G3? Not having the boat being present, aside of course
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    Merc Smart Craft // 150 Four Stroke - Question

    My WAG is the vessel needs to be properly re/configured using G3 which is only available through a mercury dealer. VV mobile is a fairly limited system but if the vessel is configured port/stbd correctly with G3 along with proper hardware installation your device ought to display the...
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    Mercruiser 5.0 Mpi issue

    I remember my first beer
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    Mystery Problem on Mercruiser 350 MAG MPI 5.7L

    Is time to check the drive
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    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    Is time to check the drive
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    200 verado won’t run above 4500 RPM

    Like dodge stated you should be using a diagnostic tool like mercury g3 to observe live data and confirm both the engine and remote show 100% throttle along with other sensors responding accordingly It's possible by disconnecting the dts remote, ccm, junction box and terminal resistor(s) the...
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    Why I do not have new boats.

    Perhaps I'm missing something here but I fail to see a correlation between boat/motor vintage and operator error In regard to the "beeping" from the motor this is an indication of a fault and the audio warning system is allowing the operator to understand something is amiss. Seems to me the...
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    Need new plug

    There were a few years in the early/mid 90's during the OMC crossover years that volvo did use the rubber cap plug with a hose clamp over the cast barb on the end of the manifold Remove the clamp and rubber cap and you'll see the cast barb end. Local hardware store will hopefully have a...
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    Need new plug

    National Pipe is not measured in inches Based on OP stating a carbureted engine WAG would be 1/4 NPT, preferably in brass
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    Another gear oil thread... 80w-90 vs. 90

    This calculation is incorrect 1.32 x 128 = 168.96 fl Oz $36 ÷ 168.96 = $0.213 per fl Oz Your math equates to: $4.69 x 168.69 = $792.42 for 5 litres (1.32 us gal)
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    Questions about idle speed on 4.3GXI-E on startup

    Based on provided info my WAG is map sensor issue. Without any diagnostic tool info its very difficult to determine Depending on style of efi and style of map sensor its possible the map sensor is either dislodged from its seat in the manifold or if a divorced sensor there is an issue with the...
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    5.7 EFI stalls when warm and shifting into gear

    Just read through the broad strokes on this thread and you've done a lot of proper troubleshooting and there's some really good info provided here (thanks, muc) I get you're ready to hang it up but being a new/reman long block its wise to ensure the valves are adjusted properly and at this...
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    Bravo 3 loss of lube oil - slowly then rapidly x2

    Light heat around the snout/housing with a map torch along with light gear oil inside and around the bearing races/o ring will aid install 2 4 C is okay, better yet would be extreme grease in place of 101. Once the bearing assy is seated, grease the threads of the retainer ring prior to...
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    Happy 4th of July!

    Jefferson was a wealthy lawyer, landowner and well respected member of America's lawmaking society when he penned a majority of the Declaration in (mostly) solitude. A voracious reader, he understood a vast array of social, political and grass roots ideas. Articulate with any person on seemingly...
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    bilge pump wiring. My head is going to explode

    Many bigger boats (30' class +) will run multiple bilge pumps. Some do a standard bilge pump in the engine room with auto/float/manual control along with a high water (failsafe) bilge pump that is auto/float controlled only with a warning horn/light at the helm Others do the above with a third...
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    Gimbal Housing Studs for a Mercruiser Alpha 1 Gen 1. Need the specific part # or size for these.

    Oem is 7/16 - 20. Same size/pitch as the drive mounting hardware
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    Water in bilge while on muffs

    If the transom plug is out depending on water pressure/spray pattern it's possible for water from the muffs to enter the bilge area
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    Maybe time to update the "Starting a 2 cycle Merc" sticky?

    I suggest adding to step #1 the operator should verify the anticavitation plate on the gearcase is submerged as well if not several inches below the water surface. The sea water pump is located in this area and submersion is key for proper pump operation at engine starting/idle speeds Also...
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    CHARGING QUESTION

    Possible Could be an issue with the stator. You'll need to follow the testing protocol using an ohm meter and peak voltage adapter. CDI makes a shunt compatible with most standard dvms for peak voltage testing
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    Constant Beep on Starting Engine

    I also agree Sounds like you and your mechanic are on the right track with the issue Its rare to have the monitor float switch fail but they do occasionally. Nothing sounds out of sorts with your experience, go boating and have fun!
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