WR400F/426F/450F

41,455 topics in this forum

1. WR Maps Only 1 2 3 4 10

   By ggamster, January 14, 2014   

   • FuelAir
   • EfiProgrammers
   • 191 replies
   • 61,844 views
   • 
   • puffoxr
   • August 31, 2020

3. How to eliminate the 'Bog'

   By William1, September 10, 2010
   • 1 reply
   • 42,466 views
   • 
   • Shred Jesse
   • April 9, 2011

4. The dreaded 'Hanging Idle' and how to eliminate it

   By William1, September 10, 2010
   • 0 replies
   • 23,136 views
   • 
   • William1
   • September 10, 2010

5. Selecting the correct Pilot Jet and setting the Fuel Screw

   By William1, September 10, 2010
   • 0 replies
   • 27,261 views
   • 
   • William1
   • September 10, 2010

6. WR400/426/450 FAQ's

   By clark4131, November 26, 2006
   • 1 reply
   • 75,194 views
   • 
   • clark4131
   • November 28, 2006

7. WR Performance Index

   By clark4131, November 25, 2006
   • 0 replies
   • 63,569 views
   • 
   • clark4131
   • November 25, 2006

8. No Odometer on Multi-function display

   By Pietervj, 3 hours ago
   • 3 replies
   • 19 views
   • 
   • EGG
   • 1 hour ago

9. 2018 wr450f misfire / hesitation

   By Arctic silk, Saturday at 03:51 PM
   • 3 replies
   • 48 views
   • 
   • Arctic silk
   • 13 hours ago

10. 2000 WR400 - sudden loss of all mid / top power & red exhaust

    By galbro, December 31, 2020
    • 8 replies
    • 147 views
    • 
    • kx450f06
    • Yesterday at 03:33 AM

11. WR426. Exhaust too loud. No FMF Q4's FS anywhere

    By chris hodge, Thursday at 01:08 AM   

    • Yz426F
    • yz400
    • (and 5 more)

      Tagged with:

      • Yz426F
      • yz400
      • Wr400
      • Wr426F
      • fmf
      • fmfq4
      • exhuast
    • 4 replies
    • 69 views
    • 
    • galbro
    • Saturday at 06:06 PM

12. WR 426 Blue Smoke on start up

    By David Boxall, Friday at 11:28 AM
    • 1 reply
    • 35 views
    • 
    • SteveThe Snakes
    • Saturday at 02:33 AM

13. rallykit Building a Rally Bike

    By remy1080, October 8, 2020   

    • Yamaha
    • Wr450F
    • (and 1 more)

      Tagged with:

      • Yamaha
      • Wr450F
      • Rallyfairing
    • 8 replies
    • 396 views
    • 
    • remy1080
    • Friday at 09:49 PM

14. Rear fender bolt

    By Nick225, Friday at 12:33 AM
    • 1 reply
    • 30 views
    • 
    • ChampWazza
    • Friday at 01:47 AM

15. Suspension WR450F 2016 - Rear Suspension Upgrade

    By Helder Neves, January 11
    • 4 replies
    • 96 views
    • 
    • Helder Neves
    • Thursday at 10:40 AM

16. 426 rebuild...saving another steel frame

    By throttlejunkie1, January 9
    • 2 replies
    • 109 views
    • 
    • throttlejunkie1
    • Wednesday at 01:05 AM

17. 2013 WR450F brakelight question

    By hangerbaby, June 1, 2014
    • 15 replies
    • 4,898 views
    • 
    • RiderAC
    • January 12

18. aftermarket fuel petcock

    By boysey, January 10
    • 2 replies
    • 71 views
    • 
    • boysey
    • January 12

19. Wheel locking in 1st and 5th gear on Yamaha WR450 2006

    By Austin Stancell, June 3, 2020   

    • Yamaha
    • transmission
    • (and 1 more)

      Tagged with:

      • Yamaha
      • transmission
      • WR450
    • 7 replies
    • 241 views
    • 
    • Austin Stancell
    • January 11

20. Just got a 2002 wr426f and it won’t start.

    By SuperboyAustin, December 28, 2020
    • 3 replies
    • 144 views
    • 
    • PopWill
    • January 11

21. Help !!!Red glowing exhaust WR450F

    By tonkie, August 15, 2003
    • 6 replies
    • 1,322 views
    • 
    • Bill_B
    • January 11