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  1. Handling geometry of steel frame compared to aluminium frame (WR400/426/450) ?

    2 months ago i bough a wr426 for the price of 1500 euros , my purpose was to fully rebuilt it , so far i have replaced mostly everything in the motor and it runs like new and the way the power is delivered is amazing ... I love this motor because of the reliability and the power curve so i...
  2. Will a YZ400 tank fit on a WR426

    Street Tarders
    I want to swap a slimmer YZ tank on to my 2001 WR426. I assume this YZ400 tank will fit but want to make sure. Also, will a YZ426 seat fit on the YZ400 tank? Thanks guys!
  3. wr426: What is this hole on the side of the head?

    I just bought this bike a month ago, and was wondering what this hole is. It's the one with the red arrow pointing toward it. It does not have a plug or anything in it, but a similar looking hole nearby (green arrow) does. Should there be a plug, or is it supposed to be like that? Thanks in...
  4. 02' WR426 - What size sprockets should I use? ...and 4.25 or 4.5 rear Excel wheel?

    Street Tarders
    Fellas, I'm converting an old WR426 to SM. I will be mostly on the street/twisties and want to do 70/75 without blowing up. Any suggestions on what size front and rear sprockets I should use? ...and should I get a 4.25" or 4.5" rear wheel? A buddy has a 5" but it gets way too much...
  5. Wr426 has no spark

    Tech/Setups for Supermoto
    My wr426 was running completely fine then as I was riding along it cut out. Haven't been able to fire the engine on any of the 500+ times ive kicked it over. So I bought a new spark plug and tested it to only find there is no spark. It was running perfect then just stopped like it decided it...
  6. wr426 flat spot? (lacking power)

    Street Tarders
    My wr426 Street legal seems to hit flat spots in power during acceleration like it is missing or something. When suddenly given nor than half throttle it seems to die. It has yz exhaust timing, wiseco piston and fmf powercore four and is jetted to suit. I hear a lot of this problem but no...
  7. wr 426 heated grips?

    Street Tarders
    I have a Street legal wr 426 and it is a mad bike. I'm not old enough for a car licence and I use it to commute to work in sometimes -6 Celsius so I was wondering how I can add a set of heated hand grips onto it when the bike has no battery? Where can I find auxiliary power to hook these up? I...
  8. NC Supermoto Help

    Street Tarders
    Hello all I am looking into purchasing a 01 Wr 426 and was wondering if Wr's are easily made street legal ? I am from NC found the bike on craigslist Im eager to get my first Sumo but want to make sure I do not get ahead of myself and get something that I cant possibly be on the road with . Any...
  9. Making a Wr Street Legal

    Street Tarders
    Hello all I am looking into purchasing a 01 Wr 426 and was wondering if Wr's are easily made street legal ? I am from NC found the bike on craigslist Im eager to get my first Sumo but want to make sure I do not get ahead of myself and get something that I cant even be on the road with . Any help...
  10. Onto the next!

    Supermoto Tips & Technique
    So after my first problem of not being able to get my bike started (thanks to those who helped) I've found my next problem... The bike sounds the same in every gear! The only difference is once you go up a get ur going faster and around 60km it starts to sound a little scary sometimes like it's...
  11. Can't even start my bike...

    Supermoto Tips & Technique
    I picked up an 01 wr426 went to check it out the buddy started it cold first kick so i bought it the next day.. ever only using the third leg i have no idea how to start it but going on how its a 2001 converted to supermoto for the street the engine is probably gone so its only half my...
  12. WR426 supermoto newb

    New Supermoto Riders/Members
    Hey whats up everyone? My name is Trent and I have been surfing the site for awhile now trying to increase my knowledge of all things supermoto. I inhereted an WR426 from an old room mate that is movin out and have decided to take it the super moto route for commuting to work and fun on the...
  13. wr400f flywheel and stator HELP

    Tech/Setups for Supermoto
    I am in the process of bringing an '00 Wr400 back to life. I am now in the electrical phase and discovered that the previous owner has damaged the stator and used the wrong type of flywheel puller because there are marks from puller arms on the back of the fly wheel. My question is how much...
  14. show your wr yz only..supermotos

    Street Tarders
    wr 426 2002
  15. Wr450f vs. WR426f for sumo?

    Hey guys new here and am shopping for a bike for a sumo conversion but need some help. I've narrowed down my search to a either a wr450f or wr426f but am having some concerns. The 450 seems much easier to find wheels for... Does motostrano make wheel conversions for the 426? Or are they the same...
  16. Need crankshaft or bottom end for a 2000-2002 Yamaha yz/wr 426

    Threads are messed up on the stator side of my crankshaft, I'm looking for either a crankshaft to replace it, or possible a partial or complete bottom end to swap over. Let me know what you have! My email is [email protected]
  17. Yamaha WR426F Supermoto STREET-LEGAL

    Thinking about selling my supermoto to get something "more streetable" For sale is 2001 WR426, with valid clean NC Street title. Title is on hand. Anyways, Since I purchased this bike last year, I have added about 1000-1500miles. From what I was told this would mean the bike has a total of...
  18. Please delete this thread

    Found what i was looking for.