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    Battery

    i have a 1998 22 ft stingray with a 350 Magnum EFI I/O. i currently have a marina starting battery 875 crank power from advance auto. the boat also has a two battery switch. i am in the market to purchase a second battery. which should i buy, dual or a deep cycle battery?
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    knock noise/stalls

    i have a 1998 mercruiser 350 magnum bravo outdrive. i had the seawater pump and impeller replaced today. on the first test drive, the boat ran great however 2 hours later, on my way to a night cruise, the engine made a loud metal popping sound as i approached 15-20 mph and stalled. the boat...
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    tilt/trim

    my switch "up" button does not work on the throttle stick however the "down" button does. when I press the trailer button on the stick, the motor trims up. can anyone suggest what i need to do to figure out what's wrong with it.
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    Up trim is not working

    my switch "up" button does not work on the throttle stick however the "down" button does. when I press the trailer button on the stick, the motor trims up. can anyone suggest what i need to do to figure out what's wrong with it
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    Overheating and steam coming from manifold

    just yesterday while i was out on the water i noticed a was taking in water. come to find out today, it was a busted water line. i replaced it and it fixed the leak. however, while taking it for a test drive the temp cage got extremely high and steam started coming from the manifold. is...
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    taking on water

    i have a "98 stingray (220sx) stingray with a 350 I/O mercruser (Bravo). with the boat out of the water, i filled the bilge up with water till it started coming out from what i think it is the exahust hole perhaps also known as y pipe. this hole is located on the right of the Transom outer...
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    Plug assembly

    hello, i noticed yesterday that i was taking in water from the drain plug assembly. my qestiions are: what silicone do i use and how long will it take for it to dry?
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    starter/selonoid

    i have a 1998 350 mercruiser I/O. just replaced starter and selonoid (attached to the starter) however at times when i try to cranck the boat by turning the key, nothing happens. it is only and luckly after a few key turns that she starts. could it be the key or the other selonoid?
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    Valve adjustment

    I have a '98 Mercruiser 350 Magnum EFI (I/O). can anyone tell me how to set the valves? is it a big job?
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    she won't go over the 2000 rpm when in gear

    Hello,I have a 1998 220 sx Stingray with a 350 Magnum MPI Mercruiser. my problem is when I am in the water, I cant get the boat past 2000rpm while its in gear however It will rev over 5000 rpm in neutral. I've replaced coil, dist cap, plugs and wires. the engine has been rebuilt only a week...
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    No RPM higher than 2000 when in gear. what is it?

    Just rebuilt 98 Mercruiser 350 EFI Magnum w/new manifolds. Everything is brand new (spark plugs, wires, engine parts etc.). But did not work on fuel system. when in gear, does not go above 2,000 RPM. in nuetral it revs up just fine. what could it be
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    White smoke out one manifold

    Just rebuilt Mercruiser 350 EFI Magnum w/new manifolds. Everything is brand new (spark plugs, wires, engine parts etc.). But did not work on fuel system. When running one manifold is warm, the other cold. When I put it in gear, white smoke comes out of the warm manifold. Does not smell like...
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    Low RPM only when in gear

    In neutral I can get the engine up to the RPM limit no problem. And it sounds great. But when I put it in gear (in the water), it won't go above 2,000 rpm... I am told it may be the gas?? It's a Mercruiser 350 EFI
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    wires from Fuel Tank

    hello, i have a '98 Mercruiser I/O 350 MPI. from the gas tank, there are three wires. i found the green wire disconnected in the back of the boat. does anyone know where it hooks up to?
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    Timing Shaft

    i have a 1998 I/O mercruiser 350 magnum. i removed the timing shaft without marking its location. I am now putting it back together and need a little help on where/how to start.
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    starter/selonoid

    i have a 1998 350 mercruiser I/O. i need to replace the starter selonoid and would like know if i could pick one up at the auto store Vs at the marina. can someone give me a part number? thank you
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    starter/flywheel

    All, I removed the starter this weekend for maintance. When i reinstall it, should i use grease on the flywheel? Thank you
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