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Starter Question

  1. #1
    Senior Member Delemorte's Avatar
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    Default Starter Question

    So starter took a dump in nov. No biggy as stuff happens. I send it off to IMI and I just spoke to them. Starter is fixed and on its way back to me. He said the start was “Full” of water I mean he asked me if my boat ever sank is how much water was in it. It’s not biggy and they were totally cool about it and I would do business with them again. However I got a question….

    My boat has never sank or even come close to sinking. I have however sprung a leak and had enough water in the bilge to hit the flywheel but that was it and that wasn’t that long.. How does a marine starter actually get a marine certification? Isn’t it supposed to be sealed? Regardless I may need to look at a top mount solution.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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  3. #2
    Senior Member Delemorte's Avatar
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    second question.. do they make a three pount mount with a top mounts starter?
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  4. #3
    Senior Member H20MOFO's Avatar
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    I sent my top mount to them and they told me the same thing. In my case it was from water being slung on the flex plate, before I upgraded my bilge pump. Oh... if you think about it tell Matt that Kreg Whitehead is still waiting for a phone call.
    Another Hot Boat refugee

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  6. #4
    Senior Member Josh@JBP's Avatar
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    Quote Originally Posted by Delemorte View Post
    So starter took a dump in nov. No biggy as stuff happens. I send it off to IMI and I just spoke to them. Starter is fixed and on its way back to me. He said the start was “Full” of water I mean he asked me if my boat ever sank is how much water was in it. It’s not biggy and they were totally cool about it and I would do business with them again. However I got a question….

    My boat has never sank or even come close to sinking. I have however sprung a leak and had enough water in the bilge to hit the flywheel but that was it and that wasn’t that long.. How does a marine starter actually get a marine certification? Isn’t it supposed to be sealed? Regardless I may need to look at a top mount solution.
    The biggest difference is a marine starter has spark protection built in to it.


    Quote Originally Posted by Delemorte View Post
    second question.. do they make a three pount mount with a top mounts starter?
    Yes, you can still buy the 3pnt chevy mounts new. A one piece bell housing for a long drive line assembly is available. Or if your DL is the short style, a Borg Warner style bellhousing is available and can be couple to a short BW jet adapter.

    This is the long style

  7. #5
    Senior Member coonass's Avatar
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    Quote Originally Posted by Delemorte View Post
    second question.. do they make a three pount mount with a top mounts starter?

    I have seen one for a chebby before

    ask for marine class. ............I think you just spend more money cause it says marine

    I have had starters go out left and right
    last year went out to O'Reilly's and bought a new starter with life time warr. no ? ask'd the best for my buck
    every winter I just bring it back and get a new one

  8. #6
    Senior Member Delemorte's Avatar
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    Quote Originally Posted by [email protected] View Post
    The biggest difference is a marine starter has spark protection built in to it.



    Yes, you can still buy the 3pnt chevy mounts new. A one piece bell housing for a long drive line assembly is available. Or if your DL is the short style, a Borg Warner style bellhousing is available and can be couple to a short BW jet adapter.

    This is the long style
    Thanks Josh. I think this would be considered the short version. Can a bottom starter be converted to a top mounted or is it cheaper to buy a new one



    better picture

    Last edited by Delemorte; 01-06-2010 at 12:37 PM.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  9. #7
    Senior Member Delemorte's Avatar
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    Quote Originally Posted by H20MOFO View Post
    I sent my top mount to them and they told me the same thing. In my case it was from water being slung on the flex plate, .
    What? so being sprinkled with water filled it up? that seems lame.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  10. #8
    Senior Member Delemorte's Avatar
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    Quote Originally Posted by Delemorte View Post
    . Can a bottom starter be converted to a top mounted or is it cheaper to buy a new one


    it would be a reverse rotation so i think no... :-(
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

  11. #9
    Boat Nut sleekcrafter's Avatar
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    Condensation is another cause for water in the starter. Oily bilge water will make short work of a good starter, gets on the armature, and burns it up quickly. Mike W, Mike C, and Ratsquirt did an on the water starter overhaul, with Mike W supervising, and every imaginable tool supplied by Randy H.

    Ratsquirts starter had been giving him fits, and finally let go after a few speed pass / rides around the lake. Made for an interesting afternoon, none the less jet boat ech on the water
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  12. #10
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Delemorte View Post
    it would be a reverse rotation so i think no... :-(
    This is correct!

    Quote Originally Posted by sleekcrafter View Post
    Condensation is another cause for water in the starter. Oily bilge water will make short work of a good starter
    This is correct too !

    IMI Folks are very good people!

  13. #11
    Horsepower sells Engines lefty's pride's Avatar
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    OK not that it was water but i had a machine with a Detroit diesel, it had such a bad oil leak from th rear main and no drain hole at the very bottom of the bell housing that the oil was pushed through starter. that unit went through a couple of starters before we convinced the owner to rebuild the motor. so if this unit did it with oil there is no reason a medium such as water could not do the same thing.
    marine grade just means it has a sealed spark (explosion resistant), if your running a open engine bay i was told to save the money, i don't know about any corrosion resistant parts, may be there in there to
    "Horsepower sells Engines but torque wins races."
    "winners never quit, quitters never win
    those who never win and never quit are idiots"
    "if at first you don't succeed redefine success"
    "why is there never time to do it right, but there is aways time to do it twice"

  14. #12
    Senior Member jetboatperformance's Avatar
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    Shaun a little more information , as you may know the SAE (society of automotive engineers) sets standards and does testing for a multitude of Auto, Marine , aircraft parts and components etc (includeing Header/exaust noise testing ) Although I couldn't find the SAE Starter procedures heres some similar information on alternators reprinted from a starter/alternator supplier I didn't fact check and don't have the actual SAE bulliton but this appears to be accurate from what my supplier had described .. Tom

    The Marine SAE J1171 testing procedure is as follows: A sparking
    device, similar to a spark plug, is installed
    in the brush area of the alternator. Another device is also installed
    in the brush area of the alternator to supply a
    specified mixture of propane gas and oxygen. The alternator is then
    placed in an explosion proof test chamber.
    The chamber and the alternator are then filled with the explosive gas
    mixture. A high-voltage coil supplies current
    to the sparking device in the brush area of the alternator, causing an
    explosion. An explosion must not occur in
    the test chamber while this test is being performed. This step is
    repeated nine times. Finally, a spark is supplied
    inside the test chamber causing an explosion to ensure that the
    explosive mixture was present during the testing
    operations.

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