2000 YZ426 clutch upgrade to 2001

3 replies to this topic
  • Matt_W

Posted October 01, 2001 - 02:25 PM


In an attempt to cure the hideous clutch problem on my 2000 YZ426, this past week I replaced the last friction plate of the 2000 clutch with the 2001 friction plate, and added the 2001 seat plate and anti-judder spring. On Sunday I had the opportunity to test this remedy out on a 7 hour ride encompassing all types of terrain. I want to thank the fine members of this board for suggesting this remedy, as it completely cured the dragging/chattering clutch. There was absolutely no dragging and no chattering of any kind, even immediately after the bike was warmed up. I want to mention the stock clutch basket is still in this bike, and the clutch still works flawlessly. So, if you have a 2000 model and you want to fix the dragging clutch, don't waste $200+ dollars on a clutch basket, because all you need is $40 for the 3 2001 model clutch parts mentioned above !!! Now all I need to do is figure out how to do the BK mod !!!

Matt W
00 YZ426F
94 YZ 250
"Don't worry about me, how's my bike ?"

  • motoman393

Posted October 01, 2001 - 03:36 PM


Here is the BK carb mod--> http://mx393.tripod.com/carb.html it is very easy to do check it out! Later,


I get my kicks on a 426!
Motoman393's MX Site

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  • mike_dean

Posted October 02, 2001 - 02:02 AM


Just one note, when your clutch basket breaks you will wish you had spent the $200, the broken metal tabs take expensive parts with them. The 00 426 had early and late model baskets, maybe you are lucky and have the late model. Good luck, mike

  • Boit

Posted October 02, 2001 - 03:31 PM


And one more comment about the basket. The tangs get little grooves worn in them where the fingers of the plates slide back and forth during engagement/disengagement. When these grooves get deep enough, the plates tend to get sucked in as you try to gently engage the clutch and you end up with grabbiness. I don't think there is a pro rider out there that doesn't use an upgraded basket. And one last bit of info, if you disengage your clutch for about 20-30 seconds while the engine is warming up, the clutch is very smooth and you won't get that squawking noise and grabbiness. A fellow TT'er gave this advice and he was right on the money.

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