WR400F/426F/450F

41,497 topics in this forum

1. WR Maps Only 1 2 3 4 10

   By ggamster, January 14, 2014   

   • FuelAir
   • EfiProgrammers
   • 193 replies
   • 63,566 views
   • 
   • Thomas Lockley
   • February 28

3. How to eliminate the 'Bog'

   By William1, September 10, 2010
   • 1 reply
   • 42,772 views
   • 
   • Shred Jesse
   • April 9, 2011

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

   By William1, September 10, 2010
   • 0 replies
   • 23,279 views
   • 
   • William1
   • September 10, 2010

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

   By William1, September 10, 2010
   • 0 replies
   • 27,441 views
   • 
   • William1
   • September 10, 2010

6. WR400/426/450 FAQ's

   By clark4131, November 26, 2006
   • 1 reply
   • 75,529 views
   • 
   • clark4131
   • November 28, 2006

7. WR Performance Index

   By clark4131, November 25, 2006
   • 0 replies
   • 63,794 views
   • 
   • clark4131
   • November 25, 2006

8. Wr400f header pipe bolt

   By Nick225, 5 hours ago
   • 1 reply
   • 12 views
   • 
   • S.O.A.N.Z
   • 4 hours ago

9. Gouged/Damaged Crankcase while attempting a countershaft seal replacement

   By ShawnoftheSouth, yesterday at 05:12 AM
   • 7 replies
   • 390 views
   • 
   • shuswap1
   • 4 hours ago

10. '21 WR450F not showing fuel consumption?

    By Wintyfresh, yesterday at 04:56 AM
    • 0 replies
    • 26 views
    • 
    • Wintyfresh
    • Yesterday at 04:56 AM

11. 2000 YZ426f engine knocking sound

    By BroncoBoy78, Saturday at 06:45 PM
    • 4 replies
    • 52 views
    • 
    • BroncoBoy78
    • Yesterday at 02:29 AM

12. New pads tight brakes

    By Bikeah, Saturday at 12:55 PM
    • 5 replies
    • 75 views
    • 
    • Rembrand
    • Saturday at 07:47 PM

13. Wr426f No start 1 2

    By Wesley Hallock, Saturday at 09:01 AM
    • 21 replies
    • 109 views
    • 
    • Tony Wyp
    • 8 hours ago

14. 2003 WR450F leaking oil from top of bottom of engine

    By Jacz, Saturday at 08:22 AM   

    • yamaha
    • wr450f
    • 11 replies
    • 81 views
    • 
    • 04 wr450
    • 6 hours ago

15. I need help identifying my ECU

    By Liam Renton, Saturday at 01:53 AM
    • 0 replies
    • 33 views
    • 
    • Liam Renton
    • Saturday at 01:53 AM

16. Wanted - Competition ECU for 14 WR450F

    By johnnyp-45, Saturday at 12:16 AM
    • 3 replies
    • 49 views
    • 
    • SteveThe Snakes
    • Saturday at 02:07 AM

17. WR450F Clutch boss hub is loose

    By arn, Friday at 09:36 AM
    • 3 replies
    • 83 views
    • 
    • Spiritwalker2222
    • Saturday at 02:12 AM

18. 2015 WR450F throttle body plunger question

    By YammerHammer191, Thursday at 06:03 PM
    • 2 replies
    • 59 views
    • 
    • YammerHammer191
    • Thursday at 08:01 PM

19. 12 wr450. Kicker barely moves. New top end

    By Kurt Leinenbach, March 2   

    • 2012wr450fbottomend
    • 1 reply
    • 65 views
    • 
    • SteveThe Snakes
    • Thursday at 03:15 AM

20. Help please! 2014 WR 450F starting trouble

    By Carlos Abm, March 1
    • 0 replies
    • 63 views
    • 
    • Carlos Abm
    • March 1

21. Will a yz450f gytr slip on by fmf work on 2015 wr450f

    By rynoinaz, March 1
    • 2 replies
    • 61 views
    • 
    • rynoinaz
    • Thursday at 03:34 AM