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Motor oil, is it lubricated by the oil in the gearbox or is there another inlet for a different oil?

Discussion in 'XJ Technical Chat' started by Dylan Mattson, Sep 8, 2023.

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  1. Dylan Mattson

    Dylan Mattson New Member

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    I recently acquired a 1981 xj650 maxim and don't really know much about it, want to make sure everything has clean new oil, fuel, and anything else it might need, curious if all oil is through the gear box or if there's an inlet for oil specifically for the motor?
     
    Dylan Mattson, Sep 8, 2023
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  2. Dan Gardner

    Dan Gardner Well-Known Member Premium Member

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    Gearbox and crankcase share oil.
     
    Dan Gardner, Sep 8, 2023
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  3. Dylan Mattson

    Dylan Mattson New Member

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    Thank you
     
    Dylan Mattson, Sep 8, 2023
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  4. Dan Gardner

    Dan Gardner Well-Known Member Premium Member

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    Dan Gardner, Sep 8, 2023
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  5. short_circutz

    short_circutz Active Member

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    Avoid synthetic, as it can cause premature failure of the starter clutch.
     
    short_circutz, Sep 9, 2023
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  6. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    That used to be the case, but isn't anymore. There are several very good synthetic oils that are formulated to be used in older motorcycles, and they will not cause starter clutch slippage.
     
    k-moe, Sep 10, 2023
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