Axle sizes. 98 same as 00?

9 replies to this topic
  • Greg_in_Atlanta

Posted May 23, 2000 - 12:22 PM


Help, are the axle diameters on my 00 WR larger than a '98? Thanks for your help.

  • RodH

Posted May 23, 2000 - 02:22 PM


I know they are the same as the 99 model, but one thing I noticed is the countershaft sprocket nut has been reduced from 32mm down to 27mm.

RodH Canberra, Australia<A HREF="" TARGET=_blank>
400 Thumpers Australia</A>
2000 WR400F See Photo's and Modifications

  • MotoGreg

Posted May 23, 2000 - 04:12 PM


Which axle? The '99/'00 rear hub is different than the '98 and older style so I assume the axle would be different as well. I think the front is the same for all.

'99 WR400
'92 GSXR 7/11
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  • Clark_Mason

Posted May 23, 2000 - 05:53 PM


I believe that Yam went to larger axels in 99 the hub and rear brake disk are also different. The rear disk rotor is larger in 99.


  • imported_Scott_H

Posted May 23, 2000 - 06:22 PM


I have 98 WR. Both axles are .785" (~20mm).

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  • Grum_from_Oz

Posted May 23, 2000 - 11:57 PM


While wer're on the topic of axles, sprockets,countershafts etc., I have simple question that you guys can answer. Which way do you rotate the countershaft nut to replace the sprocket? I tried to put a 14 tooth sprocket on the other day and couldn't get the damn nut off. I was rotating the nut counterclockwise (ie: same direction as chain motion) and it wouldn't budge. Is it a reverse thread or something? Anyway please advise.
Grum from Oz
'99 WR400, Tingate pipe, B&B bashplate, airbox lid removed, WR timing.

  • MotoGreg

Posted May 24, 2000 - 03:41 PM


It's normal threads, use an impact gun to shoot it off.

'99 WR400
'92 GSXR 7/11
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  • Heywood

Posted May 24, 2000 - 05:03 PM


My counter shaft nut was tighter than a mutha from the factory too! I didn't have access to any air tools (which would be the right way to do this) so I used a piece of pipe slipped over the end of a ratchet to get more leverage. I held the rear wheel (with the chain on) to keep the counter shaft from spinning.

  • Clark_Mason

Posted May 24, 2000 - 06:38 PM


If you do not have access to air tools you can also take a 12-14mm sockett and jam fit it between the countershaft sprocket and the swingarm/chain rub pad to hold the C/S sprockett while unbolting and torqueing.


  • Grum_from_Oz

Posted May 24, 2000 - 06:43 PM


Thanks guys, I'll give it a go this weekend.
Grum from Oz.
P.S Totally addicted to this site. Awsome job and thanks to Brian and all the other regulars - you know who you are. :)


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