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  1. #1
    TJBrad04's Avatar
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    900 oil line check valves

    On a 02' 900 STS i picked up, the oil lines have check valves between the pump and carbs, but the parts diagram does not show them.

    Was this a dealer installed TSB? I know the yamahas have them, just never noticed them on a kawi.


  2. #2
    steve45's Avatar
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    Feb 2008
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    I don't have a 900, but my 750s, 1100, and Ultra 150 do not have them. The oil tank isn't much higher than the carbs, so they really aren't needed.

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