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O2 sesnor maint on 250 OXY?

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  • O2 sesnor maint on 250 OXY?

    How often shoudl the oxygen sesnor on a 250 OXY be serviced? I use ringfree with every gallon of gas and Yamalube oil.

  • #2
    Every 100 hours is the general rule of thumb I use.
    Regards
    Boats.net
    Yamaha Outboard Parts

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