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Thread: what oil do i put in 81 250r crank case??

  1. 08-06-2009, 10:46 PM #1
    ToddFrydrych
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    what oil do i put in 81 250r crank case??

    what kind of oil goesa in the crank case of a 81 250r?
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  2. 08-06-2009, 10:55 PM #2
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    MTS
    MTS is offline Power User The day begins with 3WW
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    The "Crank" case runs on the Pre-mix in the Fuel, The "gear" box, you can run some mineral oil-10w40 Men't for bikes, Or some of the fancy bike Gear oil- 75-90 or Close.
    1985 Tri-Z-

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    Just hit the Freakin Gas and Hold on!!!!!
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  3. 08-06-2009, 10:57 PM #3
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    Xhumeka
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    You mean gearbox? I personally just use a decent quality 10w40 motor oil, but many on here swear by Gear Saver

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  4. 08-06-2009, 10:58 PM #4
    gutterworks129
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    You can run ATF in the transmission as well, only in a 2 stroke engine.
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  5. 08-06-2009, 10:59 PM #5
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    Quote Originally Posted by MTS View Post
    The "Crank" case runs on the Pre-mix in the Fuel, The "gear" box, you can run some mineral oil-10w40 Men't for bikes, Or some of the fancy bike Gear oil- 75-90 or Close.
    you're a faster typer than I and beat me to it
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  6. 08-06-2009, 11:16 PM #6
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    mohadib
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    So, nothing wrong with using the gear saver oil? does the heavy weight just cause you to get a little less MPG? No downsides?
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  7. 08-07-2009, 11:45 PM #7
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    1upfront
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    I use honda gn4 10w40 in my aircooled 250r's and all my 4strokes too.
    Airfoolers RULE!!!
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  8. 08-07-2009, 11:56 PM #8
    atc500x
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    I ALWAYS use Motul TransOil 10w40....

    1986 ATC500X
    1985 ATC250SX
    1985 ATC200X
    1985 ATC250R
    1986 ATC250R
    1984 ATC250R
    1981 ATC70
    1984 ATC70
    1985 ATC70
    Custom built ATC70 / 250R laydwon swap
    1986 ATC250SX FATCAT
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  9. 08-12-2009, 01:14 AM #9
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    xbenzx
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    Go to honda and buy Racing Transmission fluid made for 250r's says on the bottle.
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