Yamaha WR250R Mega Thread

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

  1. Kuttula

    Kuttula 2011 WR250R, 2005 KTM 250 EXC, 2007 DRZ400SM

    Joined:
    Jun 13, 2011
    Oddometer:
    240
    When did you get that kit, I bought the kit from them a while back, and it blew up in like 1.5k miles. Was very disappointed. You notice any oil loss?
  2. FLICKIT

    FLICKIT Long timer

    Joined:
    Aug 9, 2011
    Oddometer:
    1,725
    Location:
    Down-under Down-under
    I assume the Flatlands is much the same as others, with 2 screws at the front and 2 down under ... They're all M6x20mm ... (standard 1mm pitch)

    You need to be careful with the length of the ones under the sump, if they're too long they can punch a hole in your sump..

    I use button head cap screws like:
    https://www.ebay.com/itm/15pcs-Metr...Head-Hex-Socket-Cap-Screws-Bolts/121174894471

    with a large diameter 6mm x 25mm x 1.5mm stainless washer, along the lines of:
    https://www.ebay.com/itm/Stainless-...20-Size-Penny-Repair-Flat-Washer/272567163524
    jsat and ACR like this.
  3. FLICKIT

    FLICKIT Long timer

    Joined:
    Aug 9, 2011
    Oddometer:
    1,725
    Location:
    Down-under Down-under
    I just had a look at the Flatland, it's a bit different to mine, the bolt holes on mine have spacers welded to the back, between the guard and the frame, and I run rubber under them also... so 20mm may be too long for the Flatlands...

    Double check the length yourself, especially the right hand side, there's very little clearance below the sump...
    jsat likes this.
  4. Bitingdog

    Bitingdog That's not my dog

    Joined:
    Apr 2, 2015
    Oddometer:
    9,821
    Location:
    Vancouver B.C. rainforest
    Enough watts to power a small town
    Yinzer Moto and eakins like this.
  5. eakins

    eakins Butler Maps

    Joined:
    May 29, 2002
    Oddometer:
    29,384
    Location:
    Fort Collins, Colorado
    What R/R are you using?
  6. eakins

    eakins Butler Maps

    Joined:
    May 29, 2002
    Oddometer:
    29,384
    Location:
    Fort Collins, Colorado
    What's a Booster Plug?
    Bitingdog likes this.
  7. Blakduk

    Blakduk Just trying to get by.

    Joined:
    Sep 30, 2007
    Oddometer:
    2,074
    Location:
    Cooroy
    Let Google be your friend.
  8. Blakduk

    Blakduk Just trying to get by.

    Joined:
    Sep 30, 2007
    Oddometer:
    2,074
    Location:
    Cooroy
    Cockpit? Panniers? More riding? (Does 1500 off/road kms in 2 weeks while working count?). Lol you guys crack me up with your advice. I’m only mucking around to rectify the main problem with this bike - that it should have a 450cc motor.

    How insecure are you guys. Every time I talk about farkles or mods it is suggested I get a different bike.
    seasider and JensEskildsen like this.
  9. Bitingdog

    Bitingdog That's not my dog

    Joined:
    Apr 2, 2015
    Oddometer:
    9,821
    Location:
    Vancouver B.C. rainforest
    Do you even have a Dog?
  10. mo_rider

    mo_rider Grrrrrrr

    Joined:
    Nov 29, 2016
    Oddometer:
    173
    Hey. That's the other thread. Let's keep things on the up and up 'round here :imaposer
    Dirtleg, inroads, Yinzer Moto and 3 others like this.
  11. ACR

    ACR 50,397

    Joined:
    Sep 3, 2012
    Oddometer:
    714
    Location:
    The Flats, MB
    I forget the exact part number, though I believe it is a RR made for a Polaris. Been awhile since swapping them out.
  12. ACR

    ACR 50,397

    Joined:
    Sep 3, 2012
    Oddometer:
    714
    Location:
    The Flats, MB
    1,500 offroad kilometres in two weeks is awesome! Our secureness has nothing to do with trying to help you save time, effort, and money. More than a few inmates have been around the WR block multiple times. Let us know how things go with your journey, maybe you will discover something new.
    Blakduk and Bitingdog like this.
  13. rsteiger

    rsteiger Bob

    Joined:
    Jul 2, 2011
    Oddometer:
    930
    Location:
    Hotlanta Area
    I am partial to Kerosene myself.

    However, when I am out of kerosene I will use WD40 to clean the chain especially after washing the bike.
    Migyver and oldairhd like this.
  14. rsteiger

    rsteiger Bob

    Joined:
    Jul 2, 2011
    Oddometer:
    930
    Location:
    Hotlanta Area
    LOL

    Well I guess you aren't secure enough to buy a 450cc bike then.

    An older 450 EXC with a RFS motor can be had relatively cheap.... probably around the same $$ as what I have seen some people dump into a WRR for a couple of extra HP and to lose a few pounds. I imagine the same would be true for a WR450F as well.

    For me it was eaiser to buy back my old 450 EXC since it was already titled and tagged in GA. The WR450F's and some of the other Japanese off-road bikes can be a bit of an issue to title and tag in the Atlanta Metro area but there are plenty of States where this is not an issue.
    Bitingdog and Yinzer Moto like this.
  15. davidp14

    davidp14 Been here awhile

    Joined:
    Nov 11, 2013
    Oddometer:
    409
    Location:
    va

    As I've said before . I've modded the shit out of my w. I do it because its my bike and I like doing it and I'm not done.
    I do however realize the irony and often make fun of myself for spending 100's, if not 1000's for 2 or maybe 3 hp.

    My point, and I think everyone else's point is, before you go down the same rabbit hole as many of the rest of us make sure you realize that the payoff is not a 525 exc.
    If you're ok with that, then F it, mod away.
    Gany, Stillwater97, max384 and 5 others like this.
  16. MeefZah

    MeefZah Curmudgeonly

    Joined:
    Nov 19, 2003
    Oddometer:
    12,751
    Location:
    Eureka, Calif
    I think realistically, there is a tipping point between stone OEM reliability and excessive modifications.

    At a certain point mods begin to reduce the reliability and the lack of maintenance that we all bought the WR for. Case in point, the guy with the big bore kit that lasted 1500 miles. I'm all about protection mods, maybe some light performance mods like sprockets, but I'm not going to mess with the engine or the exhaust. That reliable little engine with 26000 mi valve intervals is the main reason that all of us bought the WR.

    I would wager most of us could afford something with more performance, but chose a WRR instead. Trying to make it into what it's not defeats the whole purpose of the bike and of our decision to buy it.
    Siorc, Migyver, Bitingdog and 7 others like this.
  17. greenboy 667

    greenboy 667 Keep your bloatocycle - I want a PR7!

    Joined:
    Apr 28, 2013
    Oddometer:
    961
    Location:
    remote mountain cabin in Montana
    Don't use any aftermarket things like mufflers and pipes and programmers and G2 Throttle Tamers. Your bike will blow up.
    Bitingdog, rsteiger and bike_pilot like this.
  18. raptortrail

    raptortrail Been here awhile

    Joined:
    Jun 12, 2010
    Oddometer:
    351
    Location:
    Washington,Il USA
    Installed kit in spring of 2017 and have over 2000 mi on it. No oil loss and it runs great.
  19. rsteiger

    rsteiger Bob

    Joined:
    Jul 2, 2011
    Oddometer:
    930
    Location:
    Hotlanta Area
    Yes.. Water Displacement #40 does a very nice job on getting the water off the chain after a good bath. One would almost think they formulated it to do that...
    Bitingdog and oldairhd like this.
  20. davidp14

    davidp14 Been here awhile

    Joined:
    Nov 11, 2013
    Oddometer:
    409
    Location:
    va
    I wonder how many tries it took to perfect this formulation? 38? 39? I guess we'll never know.
    d5d5, KMM696, Dirtleg and 4 others like this.