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  1. #1

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    Talking Sea doo oil bypass 787 800 951

    Is it smart or not to bypass oil injection to premix? Ive heard yes and no.some oil injections never have problems while other hate it and say its bad.let me know ur input thanks


  2. #2
    TempoGT's Avatar
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    I think it's a good idea, already done it on my Yami and on my Challenger (800 engine). The 800 hasn't had a problem with it, and it prevents any issues from the oil pump dying. The only thing I can think of would be user error that could cause a problem with premix. Atlantic Jetsports has a kit for $10.

  3. #3
    KrunchovXPL-GTX-RX's Avatar
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    I have yet to hear of an instance when the oil pump itself failed. They are made by Mikuni and are about as reliable as it gets.

    Now, oil pump cables (breaking, not being adjusted, forgoten and not hooked up) yes, the oil pump drive (left of when the front cover was installed, installed wrong so they break) yes, oil lines (breaking, popping off, getting pinched closed) yes, oil filters (not being changed, ever, clogged by the goo that can result from mixing oils or water) yes, but never a pump.

    All of these things have one thing in common, maintenance. If you keep an eye on things, as is proper and logical, you will rarely have any problems out of the oil injection. In the long run the oil consumption with injection is much less than pre-mix unless you run WTFO all the time. In that case, you should pre-mix anyway because it makes more sense (ie, racing).

    For recreational riding, oil injection is the way to go.

    My .02

  4. #4
    TempoGT's Avatar
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    Quite right, I misspoke. I should've said if something with the injection system breaks down, not the pump itself. Mental laziness got the best of me

    +1 on maintenance being a necessity. Depends on what kind of rider you are. If you just hop on and go, and fix things as they break down.. well, then premix would be a good idea.

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    let it not be forgooten

    that you'll need to retain the the oil tank and the two larger feed lines for Mr. Rotary valve..or ugly ugly things will happen to your weekend, and wallet, in that order.

    Premix skis are one brain fart away from death, go with blue gas cans for premix and put the biggest label you can find near the gas fill that states:

    BLUE CAN ONLY

  6. #6
    TempoGT's Avatar
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    Thumbs up

    +1 That blue can idea is a really good one.

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