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Thread: How much oil does a wr250x need and what kind of oil is the best?

  1. #1
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    Default How much oil does a wr250x need and what kind of oil is the best?

    And does synthetic oil make it run better for some reason? Thanks.

  2. #2
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    Asking what is the "best" oil is like asking what is the "best" religion. It depends on who you talk to.

    How much oil also depends on if you replace the filter or not, and where you live.

    I have no idea who would change oil but not replace the filter, but if you look in the service manual they give you the numbers for both.

    The service manual calls out 1.48 US qt, 1.40 L, or 1.23 Imp. qt (with filter change)

    I have been using Amsoil which is really expensive relative to other oils.
    Many people swear by Yamalube.
    2008 WR250X
    Gearing: 13t - 48t
    PC-V - Air Box Door Removed
    FmF Q4 Slip-on - BT-003rs

  3. #3
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    Perfectly said, Grendel336!

    I use either Castrol GTX that I get in a big gallon-type jug. It's regular ol' oil.

    And I've used Mobil 1 4t for about $3.99 a quart.

    The only real point of agreement on every oil thread that turns into a discussion of scientific data and personal anecdotes is the fact you must change your oil, and the more you do it the better. More important than oil type.

  4. #4
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    Many would even argue the "more often the better" claim as well.
    2008 WR250X
    Gearing: 13t - 48t
    PC-V - Air Box Door Removed
    FmF Q4 Slip-on - BT-003rs

  5. #5
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    May 2008
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    Indeed. I just stay away from those threads!

    Although, when I was in the Navy driving an old junker Toyota, I didn't change my oil for 20,000 miles. Ran like a fine watch.

    Quote Originally Posted by Grendel336 View Post
    Many would even argue the "more often the better" claim as well.

  6. #6
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    Jul 2008
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    You gun decked your PMS Sailor....lol


    I use Golden Spectro in all my 4 stroke bikes...it is a semi-synthetic

  7. #7
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    Iam using royal purple right now
    2010 Ducati hypermotard 796
    2008 wr250x sold
    2007 crf230 sold
    2006 yz450f sold
    2004 custom chopper sold

  8. #8
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    Thanks for the info, i never got a service manual and i live in Hawaii so i'm not sure about the elevation levels. I will be clutching the bike and hopefully stunting it. I'll PM the local riders when i break in the bike. How's the royal purple oil treating you?

  9. #9
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    Grendel336, how does the -1 front sprocket feel? I wanted to do that also, is it easy to do wheelies and how does it feel on the freeways?

  10. #10
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    -1 in front feels fine. It give the bike a little more grunt off the line.

    I suck ballz at wheelies so I can't answer that.
    http://www.supermotojunkie.com/showthread.php?t=90099 <--- see

    I know there are a couple guys here that stunt the wr250x so maybe they can chime in if they read this thread.


    Freeways are fine relative to the 13t.
    Last edited by Grendel336; 10-23-2009 at 02:38 AM.
    2008 WR250X
    Gearing: 13t - 48t
    PC-V - Air Box Door Removed
    FmF Q4 Slip-on - BT-003rs

  11. #11
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    Aug 2009
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    flojo,

    Go here:http://www.yamaha-motor.com/sport/pr...home/home.aspx

    Click "My Yamaha" and download yourself an '09 owner's manual.

    Sarah

  12. #12
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    Mar 2008
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    1.4L with change of oil filter and 1.3L without...
    20-50 yamalube as the manual says and thats it....

  13. #13
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    the royal purple is holding up nice right now only have about 200 miles on the oil so far
    2010 Ducati hypermotard 796
    2008 wr250x sold
    2007 crf230 sold
    2006 yz450f sold
    2004 custom chopper sold

  14. #14
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    Well, I just switched to Shell Rotella T6 synthetic 5w40. Some like it, some don't. I like it so far. If the bike croaks, I'll change my frickin' mind pretty fast. Watch me.

    Otherwise, shifts smooth for me and clutch works fine. The horror stories about synth ruining bike clutches might be true with some synths, but not so far for me with this one. Or any other synth I've run in a bike. Your mileage my effin' vary.

    Michael

    edit: BTW, they take 19 quarts. OK, I'm messin' with ya. Don't remember exactly. Think it's 1.3L?? little help here...??
    2008 WR250X
    Dualsport Fun

  15. #15
    Join Date
    Feb 2011
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    I assume that these bikes came from the factory with old school dino oil right? Does Yamaha offer a synthetic equivalent? I'm off to my local Yamaha dealer Saturday and would rather know what I need going in than to have to ask. Thanks, Erik

  16. #16
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    Yeah, the bikes come stock from Japan with some kind of regular 10/40 oil as far as I know.

    Yes, Yamlube comes in a 15/50 full synthetic.
    I used it all lat year in my 2008 WR-250R (dual-purpose version of the WR-250X) and my 2009 WR-250F.
    It comes in a gold-colored Yamalube bottle.

  17. #17
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    Feb 2011
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    Quote Originally Posted by YZEtc View Post
    Yeah, the bikes come stock from Japan with some kind of regular 10/40 oil as far as I know.

    Yes, Yamlube comes in a 15/50 full synthetic.
    I used it all lat year in my 2008 WR-250R (dual-purpose version of the WR-250X) and my 2009 WR-250F.
    It comes in a gold-colored Yamalube bottle.


    All I needed to hear, thanks!

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