Yamaha WR250R Mega Thread

Discussion in 'Thumpers' started by Sock Monkey, Apr 7, 2008.

  1. DragonNester

    DragonNester Been here awhile

    Joined:
    Oct 16, 2009
    Oddometer:
    526
    Location:
    Greenback, TN
  2. ggemelos

    ggemelos Been here awhile

    Joined:
    Sep 8, 2004
    Oddometer:
    207
    Location:
    New York, NY
    I am in the process of installing Hot Grips heated grips on my bike. I am wiring it to a relay triggered by the license plate light. The resistance of each grip is about 10.5Ohm. They are wired in parallel which means they will nominally each pull about 1.15A, 2.3A total. That is not a huge amount, but enough that I would not want to tied in to an existing circuit.
  3. TwilightZone

    TwilightZone Long timer

    Joined:
    Dec 2, 2008
    Oddometer:
    3,548
    Location:
    Behind the Redwood Curtain
    >"I bought my '08 WR250R used at 5,000 miles with the EXUP valve removed...check engine light..."

    Sound like you didn't do the resistor jump in the EXUP controller end ($1 from Radio Shack)
    or buy the pre-made jumper end ($45 12 O'clock Labs).
    I believe there should be some info on WRRDualsport.com. Post back if you don't find it.

    BTW: I did the resistor jump, worked fine, no error code.
    Then I did the pre-made jumper which has a bit more electronics in it.
    I "felt" that the jumper made a bit of difference... but heck... dunno.
    Would be nice to perform that test on a dyno.
  4. oldtrucks

    oldtrucks Been here awhile

    Joined:
    May 18, 2007
    Oddometer:
    296
    Location:
    NorCal
    The flashing light may not be related to the EXUP removal. If you have the EXUP or access to one you can plug it back in and see if that clears the light. As mentioned there are several means to trick the system and turn off the light. 12 O'clock labs and Graves offer plug in modules that will defeat the light. Others have used diodes at a fraction of the cost.

    Without ruling out the EXUP first you're really guessing what the problem is
  5. pfy50

    pfy50 Professional nOOb

    Joined:
    Aug 25, 2006
    Oddometer:
    591
    Location:
    Oneida, Tenn.
    A rule of thumb in safety and electrical wiring. Half the Load or double the guage. Another words put only 1/2 the max load on the guage wire you have or use a guage wire that is double the max load you will put on that circuit(see link to chart) When you tie into an existing circuit compute your max load(total=existing load + what your adding) then as long as the amperage is 1/2 or less max load for the guage wire it is on your safe. If not use a separate circuit or replace the existing circuit with bigger guage wire. Here is a good chart to follow in figuring out what load a particular circuit can handle: http://www.powerstream.com/Wire_Size.htm
    ps. the taillight circuit is a 10amp line usually 16 or 18 guage wire so good to go with other loads noted in post #33602:evil
  6. TexaNate

    TexaNate Been here awhile

    Joined:
    Jul 22, 2012
    Oddometer:
    430
    Location:
    North Houston
    According to the fault codes sheet, The only reason the light flashes (rather than just "illuminating" continuously) is as a no-start indicator for 12, 19, 30, 41 or 50 - and the bike wouldn't start if one of those were the problem.

    I'll wire up an EXUP plug in module and I'll let you guys know if anything interesting happens.
  7. Recon_Buck

    Recon_Buck Candy-Assed Rider

    Joined:
    Jan 5, 2007
    Oddometer:
    174
    Location:
    Norfolk, VA
    Hey Inmates, I just stumbled across this thread, and I have many questions about the bike and some add-ons. I recently returned from the sandblast rally down in Cheraw, SC. Awesome Rally, and there's much about it on this website. I was the only WR250R out of the 48 bikes, and I came in second in the Light Class.

    Does anyone else race their WR250R here on the east coast? I'm looking for some other opporutnities to get involved.

    Here's a picture from the Sandblast. Great times! :clap
    [​IMG]
    2013sndblstrally0214copy_zps824bfebc by louisianazouaves, on Flickr

    Semper Fidelis, Buck
  8. Rapid Dog

    Rapid Dog bikes, booze, broads...

    Joined:
    Oct 28, 2003
    Oddometer:
    10,017
    Location:
    Strangel Living West of Hell, SoCal
    ...very capable!
  9. sieg

    sieg Wearing out tires......2 at a time, day after day.

    Joined:
    Jul 9, 2008
    Oddometer:
    3,354
    Location:
    Southern Illinois USA
    What?
  10. UtahFox

    UtahFox Been here awhile

    Joined:
    Apr 13, 2012
    Oddometer:
    446
    Location:
    Salt Lake City
    and I've gone from this...

    [​IMG]


    To this..

    [​IMG]
    [​IMG]


    Exhaust and an FI controller are on the way, and I'm working with a local suspension company to get that done. Should be a fun year :)
  11. ecarnell

    ecarnell Been here awhile

    Joined:
    May 8, 2010
    Oddometer:
    420
    Looks great!
  12. burtonrider3889

    burtonrider3889 Been here awhile

    Joined:
    Jun 24, 2010
    Oddometer:
    893
    Location:
    Richmond, VA
    Wow changing up quick! I love my white and blue for now. I will eventually like to go all white though.
  13. Jon

    Jon Adventurer

    Joined:
    Mar 28, 2006
    Oddometer:
    1,472
    Location:
    Akron, OH
    Buck great job at Sandblast! I just picked my WR250 a few weeks ago to run in the light class as well. I have competed in the car classes before but hope to run rallymoto at WV and Black River. Hope to see you there.
  14. indypup

    indypup ╭∩╮( º.º )╭∩╮

    Joined:
    Apr 24, 2010
    Oddometer:
    3,764
    Location:
    Troy, OHIO
    You selling the blue plastics? Mine are a little beat up. ;)
  15. UtahFox

    UtahFox Been here awhile

    Joined:
    Apr 13, 2012
    Oddometer:
    446
    Location:
    Salt Lake City
    Nope. Who knows what'll happen to these once I start riding. I'm a very experience dirt rider, I may need them :)
  16. boardforever

    boardforever Been here awhile

    Joined:
    Feb 16, 2010
    Oddometer:
    273
    Location:
    Hood River Valley
    What headlight/fairing are you using on there? Looks great!
  17. Mr. Fisherman

    Mr. Fisherman PROUD 2B Riff Raff!

    Joined:
    Oct 8, 2006
    Oddometer:
    11,061
    Location:
    Drinking from the Stanley Cup!
    You are going to love that fairing and light combo :thumb Needs Neduro's Double Take Mirrors though :nod

    That is a Lynx fairing from Britannia Composites. you can find them in Vendors
  18. boardforever

    boardforever Been here awhile

    Joined:
    Feb 16, 2010
    Oddometer:
    273
    Location:
    Hood River Valley
    Thanks!
  19. HardWorkingDog

    HardWorkingDog Harvey Mushman

    Joined:
    Aug 20, 2009
    Oddometer:
    1,969
    Location:
    Walnut Crick, Cal.
    and thanks for NOT quoting the goddam photos for the zillionth time...


    -Cranky
  20. UtahFox

    UtahFox Been here awhile

    Joined:
    Apr 13, 2012
    Oddometer:
    446
    Location:
    Salt Lake City
    I'm still deciding on what to do about mirrors. I put fat bars on so will most likely be going with HDB handguards, so I'm considering those too. The jury is out, so to speak. Can I screw a ram ball into the OEM mirror mounts?