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oil capacity

Discussion in 'XJ Technical Chat' started by yamahauler, Jul 23, 2010.

  1. yamahauler

    yamahauler Member

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    1982 xj 750 the case says 2500cm squared what is the amount (in us ounces) needed for an oil change?
     
    yamahauler, Jul 23, 2010
    #1
  2. fiveofakind

    fiveofakind Well-Known Member

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    it says 2500cm 3...which is cubic centimeters....

    2500cm3 = 2.5 litres = 2.64125 quarts......

    I dont know the purpose of the stamping on the case....just go by your owners manual for capacity requirements....
     
    fiveofakind, Jul 23, 2010
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  3. yamahauler

    yamahauler Member

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    dont have a manual yet... have to order the cd

    Thanks
     
    yamahauler, Jul 23, 2010
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  4. fiveofakind

    fiveofakind Well-Known Member

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    capacity chart
     

    Attached Files:

    fiveofakind, Jul 23, 2010
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  5. fiveofakind

    fiveofakind Well-Known Member

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    Dont rely on this chart for capacity; however this is straight from the `82 XJ750J Owners Manual......

    It is riddled with errors....their tech writers should have been fired.....
    as you can see from their chart

    2.5L = 3.81 US qts & 2.8L = 2.64 US qts & 3.5L = 3.81 US qts...yeah right

    It is no wonder people get confused....
     
    fiveofakind, Jul 23, 2010
    #5
  6. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    TIMEtoRIDE, Jul 23, 2010
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  7. mlew

    mlew Well-Known Member

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    fill it until the oil is halfway in the oil window when the bike is level.
     
    mlew, Jul 24, 2010
    #7
  8. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    The number cast into the case is the "official" oil capacity; on the 550s it says 2200cm3.

    I say "official" because a 200cc-300cc overfill is what's needed to bring the level up to the top of the window, but with still a "bubble" showing at the top. The overfill will keep your oil level sensor happy during hard acceleration.

    Even the factory books are full of typos or transpositions like that.
     
    bigfitz52, Jul 24, 2010
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  9. parts

    parts Member

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    Even though my 700 calls for 3.00 qts (with filter change) I
    leave the last 1/4 in the last bottle, otherwise there's
    no bubble in the site glass.
    You need this little bubble for two reasons:

    1, so you know it's not over filled.

    2, I like to centerstand the bike everyother tank full ( or once a week )& check the level.
    If you had a bubble and it's now gone-the only other liquid ( air cooled)
    your going to get in there is fuel.
     
    parts, Jul 24, 2010
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  10. fiveofakind

    fiveofakind Well-Known Member

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    so what is the oil capacity requirement for a 1982 XJ750J with new filter change ????
     
    fiveofakind, Jul 24, 2010
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  11. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    2500CCs, plus another 200cc-300cc for "insurance;" topped off visually.
     
    bigfitz52, Jul 24, 2010
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  12. yamahauler

    yamahauler Member

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    I love this site...you guys are always willing to help and full of info.

    keep up the good work fellow Yamaha lovers
     
    yamahauler, Jul 24, 2010
    #12
  13. fiveofakind

    fiveofakind Well-Known Member

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    2,500 cubic centimeter = 2.64 quart [US, liquid]

    plus 300 cubic centimeter for insurance per bigfitz52

    so

    2,800 cubic centimeter = 2.96 quart [US, liquid]
     
    fiveofakind, Jul 25, 2010
    #13

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