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  1. #1

    removing engine in sl 750

    i have a sl 750 and just curious if the coupler on the crank is left or right hand thread and what wrench size it is to take it off.thanks.


  2. #2
    Moderator beerdart's Avatar
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    The coupler is right hand thread..

  3. #3
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    Quote Originally Posted by redlineracing600 View Post
    i have a sl 750 and just curious if the coupler on the crank is left or right hand thread and what wrench size it is to take it off.thanks.
    are you pulling the motor without pulling the pump ??
    it is much better to pull the pump and shaft ,,then the motor the coupler makes a great handle to pull on
    mattman

  4. #4
    so i should pull the pump off and the shaft will slide out of the coupler?then i guess taking the motor out will be easy? also has anyone ever eliminated the oil pump on a 750 and just pre mixed? this is all new to me first watercraft i own. thanks for the tips .

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    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    Quote Originally Posted by redlineracing600 View Post
    so i should pull the pump off and the shaft will slide out of the coupler?then i guess taking the motor out will be easy? also has anyone ever eliminated the oil pump on a 750 and just pre mixed? this is all new to me first watercraft i own. thanks for the tips .
    yup on all points
    pump off -shaft out ,
    i would go with pre-mix
    mattman

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by redlineracing600 View Post
    so i should pull the pump off and the shaft will slide out of the coupler?
    then i guess taking the motor out will be easy?
    Yes, it will be much easier.


    also has anyone ever eliminated the oil pump on a 750 and just pre mixed? this is all new to me first watercraft I own...
    Well then, you should download the Polaris Factory Service manual from here.

    There are two schools of thought regarding the removal of the oil pump system. You can find both by searching through previous threads in the Polaris forums.

    Short answer is that the oil pump system on Polaris is quite reliable. That said, you do need to maintain it.

    For an older PWC, that means replacing the hoses every few years, and checking everything every so often, to ensure the clamps are in place, the control cable is not fraying, etc.

    The oil system will consume oil at about 1/2 the rate of pre-mixing, and the pump has a fail safe mode that goes to 100% oil flow if the control linkage breaks.

    Removing it means removing the oil pump, installing a block off plate, and of course pre-mixing the fuel. Don't forget to put some extra oil down the carbs the first time you start it, as the gasoline in the fuel lines won't have any oil right away.

    If you or someone else forgets, even once, to pre-mix the right amount of oil, the engine will be damaged.

  7. #7
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Quote Originally Posted by KEYZBUM View Post
    yup on all points
    pump off -shaft out ,
    i would go with pre-mix
    mattman
    I agree.

    Plus removing the oil tank frees up alot of working space under the hood.

  8. #8
    Pain is fear leaving your body.... rlovebk's Avatar
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    A friend of mine uses his old oil tank as a reserve resevoir. He just blocked the old reserve tube off and hooked his oil line up to the reserve side. I think he may have change lines out, as if I remember right, the oil lines were smaller diameter. Does Watcon still sell block-off kit?

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