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  1. #1
    Member
    Join Date
    Mar 2013
    Location
    alexandria louisiana
    Posts
    263

    AMSOIL FOR A 250 SHO

    I hear everyone say Amsoil is great synthetic oil. Can i put it in my 250 sho and not void the warranty

  2. Member
    Join Date
    Mar 2018
    Location
    Hiram,Ohio
    Posts
    124
    #2
    Are you asking about engine oil or lower unit oil? Because I’ve wondered the same thing. I just changed the oil in my 2017 SHO and used Amsoil marine engine oil. As long as the oil meets Yamaha’s requirements I don’t see how there could be an issue. Amsoil’s engine oil meets Yamaha’s fwc requirements. Their lower unit oil tho is 75w-90 api gl 5 and the sho hd oil is 80w-90 api gl 5. So with that I’ve stuck with the Yamaha lower unit oil. I would like to know if there is synthetic lower unit oil out there that Yamaha’s requirements. I haven’t been able to find it
    Last edited by 1GThompson; 10-12-2019 at 07:52 AM.