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  1. #1

    20w-50 oil ok for my 255hp?

    I know the manual says not to use anything but 10w-40, but I only found 20w-50, its still Mineral and Jaso MA, I would like to know if there is any issue with this difference and if it will affect performance. Please excuse my ignorance in the subject. Thanks

  2. #2
    wotxxxsd's Avatar
    Join Date
    May 2012
    Your riding very high performance machine it ain't a lawn mower.

    Put what doo recommends or don't bitch if you have a problem.
    I run Valveoline 10/40 motorcycle oil wet clutch formula..
    I've used it in 300+ skis with 0 issues..

    Just my .02

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