yz400f suspension swap


10 replies to this topic
  • markcjr

Posted April 09, 2014 - 07:48 PM

#1

I have a 98 yz400f that I had the suspension done on.  Can I just swap the front and rear suspension to my 99, which needs suspension work (98 is just a parts bike)?

I read the 99 had a different leverage curve ratio, or something to that effect, so I wasn't sure if the rear shock stroke etc were the same.

 

Thanks,

 

Mark



  • markcjr

Posted April 13, 2014 - 08:12 AM

#2

Yay? Nay?



  • markcjr

Posted April 13, 2014 - 01:00 PM

#3

beuller.  i'm guessing it doesnt' matter



  • grayracer513

Posted April 13, 2014 - 05:34 PM

#4

The suspension units should be interchangeable.



  • markcjr

Posted April 14, 2014 - 09:44 AM

#5

Thanks!



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  • zagbeat

Posted April 04, 2015 - 05:25 PM

#6

Hey, Grayracer I think Ive read you mention using a newer rear shock in a 400. Is there a certain range of years that the rear shock fits into the 400?



  • grayracer513

Posted April 04, 2015 - 06:17 PM

#7

'09 and earlier, as far as I know. 



  • zagbeat

Posted April 04, 2015 - 07:44 PM

#8

Thank you. And does that go for the bottom linkage as well?



  • zagbeat

Posted April 04, 2015 - 11:40 PM

#9

one more question. does that year model range (98-09) include y250 and yz250f shocks?



  • grayracer513

Posted April 05, 2015 - 06:46 AM

#10

Thank you. And does that go for the bottom linkage as well?

 

No.

 

one more question. does that year model range (98-09) include y250 and yz250f shocks?

 

Don't thinks so, but you could measure a couple out.  The form factor is the same, but the length and eyelet dimensions might vary on other models.  Shocks from a lighter bike would be valved wrong, too.



  • zagbeat

Posted April 05, 2015 - 11:13 AM

#11

as always , you've been super helpful.  thank you.

 

it seems like most of the 450 shocks from newer models (09 and older) measure approx 19.25. oem on my 98 is 19, I believe. this difference will just result in a slight change in seat height, correct.?







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