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WR400F/426F/450F

This is the spot to talk about all things Yamaha WR400F, WR426F, and WR450F. Find new & used WR400F, WR426F and WR450F motorcycles & parts for sale, motorcycle reviews, and browse owner garages & mods.

40,555 topics in this forum

  1. WR Maps Only

    By ggamster,   
    • 162 replies
    • 41,034 views

  3. How to eliminate the 'Bog'

    By William1,
    • 1 reply
    • 38,960 views

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

    By William1,
    • 0 replies
    • 20,743 views

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

    By William1,
    • 0 replies
    • 24,524 views

  6. WR400/426/450 FAQ's

    By clark4131,
    • 1 reply
    • 70,954 views

  7. WR Performance Index

    By clark4131,
    • 0 replies
    • 60,213 views

  8. Yz426f oil level question

    By bridgebort13b,
    • 2 replies
    • 39 views

  9. Headlight Bulb Retainer Piece

    By 59Ford,
    • 1 reply
    • 50 views

  10. Engine rattle after head gasket replacement

    By BRPWR445,
    • 16 replies
    • 339 views

  11. Leak Down Test Performed

    By CaptainKnobby,
    • 41 replies
    • 523 views

  12. 2 DADS seat foam price request

    By imported_Scott_H,
    • 7 replies
    • 299 views

  13. Does my yz426 have a WR transmission?

    By mattve,
    • 7 replies
    • 85 views

  14. Chain snapped, broken case

    By Brokenwr426,
    • 26 replies
    • 953 views

  15. 2000 WR400 build

    By Hls WR400,
    • 10 replies
    • 363 views

  16. All New 2019 Yamaha WR450F Announced

    By DilligafChester,
    • 89 replies
    • 7,498 views

  17. Plastics

    By Wolfus,
    • 6 replies
    • 130 views

  18. WR400F Hard to start

    By Baztaz,
    • 4 replies
    • 71 views

  19. Swapping frame

    By Wolfus,
    • 9 replies
    • 100 views

  20. Other Yamaha models w/ plastics that fit an 01 WR426f?

    By Wolfus,
    • 5 replies
    • 117 views

  21. Exhaust burning/smelting plastics

    By Wolfus,
    • 3 replies
    • 55 views


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