WR400F/426F/450F

41,288 topics in this forum

1. WR Maps Only 1 2 3 4 10

   By ggamster, January 14, 2014   

   • FuelAir
   • EfiProgrammers
   • 184 replies
   • 56,922 views
   • 
   • Emp1486
   • June 25

3. How to eliminate the 'Bog'

   By William1, September 10, 2010
   • 1 reply
   • 41,573 views
   • 
   • Shred Jesse
   • April 9, 2011

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

   By William1, September 10, 2010
   • 0 replies
   • 22,591 views
   • 
   • William1
   • September 10, 2010

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

   By William1, September 10, 2010
   • 0 replies
   • 26,679 views
   • 
   • William1
   • September 10, 2010

6. WR400/426/450 FAQ's

   By clark4131, November 26, 2006
   • 1 reply
   • 74,196 views
   • 
   • clark4131
   • November 28, 2006

7. WR Performance Index

   By clark4131, November 25, 2006
   • 0 replies
   • 62,846 views
   • 
   • clark4131
   • November 25, 2006

8. 2017 WR450 headlight relay problem

   By Dylan Smith, Thursday at 02:22 PM
   • 3 replies
   • 54 views
   • 
   • ChampWazza
   • Friday at 08:26 PM

9. 2005 WR450F Backfiring and bad idle

   By MPDano, Thursday at 04:03 AM
   • 2 replies
   • 52 views
   • 
   • bg10459
   • Friday at 02:15 AM

10. Chris cupitt

    By chris cupitt, Friday at 01:12 AM   

    • Cam
    • Head
    • (and 2 more)

      Tagged with:

      • Cam
      • Head
      • Timing
      • Valves
    • 0 replies
    • 32 views
    • 
    • chris cupitt
    • Friday at 01:12 AM

11. 2006 intake cam

    By Sister, Thursday at 07:45 PM
    • 0 replies
    • 20 views
    • 
    • Sister
    • Thursday at 07:45 PM

12. 17'wr450 supermoto knocking

    By readytworoll, July 31
    • 6 replies
    • 98 views
    • 
    • onefatroach
    • Wednesday at 07:17 PM

13. 12-15 headlight WR450

    By SteveThe Snakes, July 18
    • 9 replies
    • 180 views
    • 
    • SprungDave
    • Wednesday at 04:44 AM

14. 2013 wr450f competition ECU, WHERE???

    By Justyn DeFriez, August 1   

    • Yamaha
    • Wr450f
    • (and 5 more)

      Tagged with:

      • Yamaha
      • Wr450f
      • Wr450
      • Wr
      • 450
      • 2013
      • 2013wr450f
    • 4 replies
    • 85 views
    • 
    • SprungDave
    • Wednesday at 04:39 AM

15. 2018 WR450 workshop manual?

    By patrick2wd, Tuesday at 07:26 AM
    • 4 replies
    • 65 views
    • 
    • onefatroach
    • Tuesday at 11:31 PM

16. Electrical problem(?) 1 2

    By Snrub0800, February 25, 2019
    • 22 replies
    • 306 views
    • 
    • Turtlerider
    • Tuesday at 06:15 AM

17. Will 2015 yz250fx wheels fit a 09wr450

    By Luke Stamatiou, Tuesday at 05:49 AM   

    • supermoto
    • Yamaha
    • 0 replies
    • 21 views
    • 
    • Luke Stamatiou
    • Tuesday at 05:49 AM

18. 2012 WR450 Throttle stop screw

    By idratherberiding, August 1
    • 6 replies
    • 81 views
    • 
    • idratherberiding
    • August 2

19. Charging System or Battery? 2012 WR450 1 2

    By idratherberiding, April 10, 2018   

    • chargingsystem
    • drainingbattery
    • (and 5 more)

      Tagged with:

      • chargingsystem
      • drainingbattery
      • efi
      • 2012wr450
      • yamaha
      • newstator
      • rectfier/regulator
    • 23 replies
    • 2,458 views
    • 
    • idratherberiding
    • August 1

20. Metal in the oil filter

    By Yamazukiman, June 12
    • 13 replies
    • 748 views
    • 
    • Brett DeLaurelle
    • July 30

21. 2003 WR450 - bad rectifier

    By going up, July 30
    • 4 replies
    • 61 views
    • 
    • going up
    • July 30