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  1. #1

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    1996 polaris sl900's wont run

    well took them out today and worked good for a few hours then all the sudden the one with 35 hours just shut off and then the starter would spin but not spin the motor. And the one with 90 hours started boggin and only stayed running if you were giving it quite a bit of throttle then it just shut off and now it wont start. They are 1996 polaris sl900. The one with 90 hours i cleaned the carbs and new plugs and that one runs good now. But what would be wrong with the other ski?


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    If the starter spins, but does not engage the engine, then either the Bendix gear is bad, or the battery is very weak.

    Click below, start reading

  3. #3

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    could the benidx of stuck out then siezed and thats wat killed the motor while going along? But thats what i was thinking was the bendix but wasnt quite sure.

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by hartman View Post
    could the Bendix of stuck out then seized and that's what killed the motor while going along? But that's what i was thinking was the Bendix but wasn't quite sure.
    It is possible. The fix is the same; remove flywheel, remove Bendix, inspect.

  5. #5

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    is there any special tools required? other than a puller for the flywheel?

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    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by hartman View Post
    is there any special tools required? other than a puller for the flywheel?
    Not really.

    It can be tight working on the engine inside the hull, of course.

    Make sure you remove all the bolts holding the flywheel cover.

  7. #7

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    Quote Originally Posted by K447 View Post
    Not really.

    It can be tight working on the engine inside the hull, of course.

    Make sure you remove all the bolts holding the flywheel cover.
    Alrighty thanks for your help. Also im new to pwc so how are the injection pumps on polaris's are they reliable or would you go with a block off kit and just premix?

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by hartman View Post
    ...how are the injection pumps on Polaris's?

    Are they reliable or would you go with a block off kit and just premix?
    The Polaris oil injection pumps tend to be reliable.

    What is important is to maintain the entire oil system.
    Replace the oil hoses every few years, new oil filter, visually inspect the various clamps and oil pump frequently.

    When the carbs are being rebuilt, flush out the oil injection fittings too.

    Use good quality oil, keep the oil tank more than 1/2 full

    Oil pump failures do occur, but they tend to be rare on Polaris engines. Often when a oiling system failure does occur, it is traceable to poor or no maintenance (cracked oil line, loose clamp, clogged filter, etc).

  9. #9

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    for the inline oil filter is it a special filter or can a fuel filter be used?

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by hartman View Post
    for the inline oil filter is it a special filter or can a fuel filter be used?
    The genuine Polaris oil filter is not that expensive, so I suggest sticking with OEM quality.

    Oil is much thicker than fuel, and you do not want to restrict oil flow.

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