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    Jabsco 37010 not pumping water in

    Hello everyone I have a jabsco 37010 0090 it was working good but it seemed a little by little it stopped pumping raw water in, it flushes to the tank but it doesn’t pump on water changed the impeller and the seals still doesn’t pump water in I tried priming it at the pump it shoots in to the...
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    Oil pressure

    Hello all You wonderful people helped me in the past and I’m coming back for some more if you would be generous and help me out with your expertise. Ok, 2000 mercruiser 350 mag vortec converted from mpi to carb, this problem been around even before o converted to carb. The problem is that when...
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    Converting to carburetor from mpi 350 mag

    Hello All, Ok short and sweet: I have a Larson Cabrio 330 year 2000 Engines are 350 mag mpi vortec serial number L365398 Struck by a lightening fried both ECMs Sent over to test them the tech said they’re fried you can’t refurbish them, he has a refurbished ones each for $2500 plus tax plus...
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    Stalled while idling now it cranks but no star or sparks

    Hello all, I have twin Mercruiser 350 mag mpi 2000 I had an issue with the (charging board or switch batteries board(?)) so I switched some cables around long story short, both engines idle nice and started with less than full crank now when I moved cables around in the switch board and turned...
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    No power under load

    Hello All I have a 350 mag MPI year 2000 on a Larson 330 cabrio, I put in new refurbished block in rebuilt the heads engine starts beautiful not even a full crank and it’s running rubs up good but when I go under power the rpm does not go past 1500-2000 and it doesn’t seems like it’s trying or...
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    Timing pulley hits the chain cover

    Hello all, A quick question, I have Larson 330 cabrio 2000 with bravo 3 drive and twin 350 mag vortec mpi. I was doing some work on my engine... long story short I put in new timing cover on a new short block from the previous engine I noticed that the timing pulley hits the timing mark on the...
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    350 mag mpi 2000 won't start

    Hello Gents, I'll try to make it short and sweet...so I have 500 plus hours on this engine ran with no issue at all the previous week starts right up all is good the following week would not want to start it strutle here and there but wouldn't start...can you help me out with a list of possible...
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    5.7 MPI Bravo 3 leaking into the bilge

    Hello Gents, I need your thoughts and experience if you don't mind. My boat when it is standing still in the slip, it is bone dry, BUT when I start it i get a steady stream on water that would trigger the bilge pump in about 2 hours. then I vacuum it and it will be fine, no leak. Now I checked...
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    Fuel Sender?

    Hello everyone, I have a Larson 330 cabrio 2000, I need to check the fuel sender, the gauge seems it is stuck because I changed the gauge and it is reading almost full the same as the old gauge. My question does anyone know about these boats wher tyhe fuel sender is or could be? Thank you very...
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    Bravo III driveshaft removal

    Hello Gents, Can someone help me out, I want to remove the drive shaft tomorrow on my 2000 Bravo III to replace the driveshaft seal because it was leaking to the bellow and then into the bilge dep. The spanner nut off, this is the only thing I did today but the shaft didn't seems to wants to...
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    Water Pump hesitation

    Hello everyone, Ok let me cut straight to the problem, I messed up my pump by running it without water for a few minutes, when I took the water pump assembly out it was toasted, so i bought a whole new assembly, put it back-in according to some of the diagram on line, started the engine it took...
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    Waterline on Aluminum boat

    Hello everyone, I'll be brief, I have no experience with Aluminum boats, I bought a Starcraft 16' 1997 Aluminum with a Merc. 40hp oil injected, and when I put it in the water yesterday it kind of got me concerned when I saw the waterline at the transom is only about 6" no more than 8" especially...
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    Holley Carb. ID

    Hello everybody, can anyone ID this Carb I'm trying to buy a rebuild kit, and find out how many CFM I have on this Carb. and possible upgrade to get more HP?So the following numbers are from top to bottom: 986471 then 80310-2 and 0347. numbers are off the Carb. doesnt seems like I can find...
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