99 WR400 exh cam timing query?


2 replies to this topic
  • MickWR400

Posted February 19, 2008 - 05:45 AM

#1

i was wondering if anyone could tell me if my wr400 99 model has had the exhaust cam advanced to yzf spec?

i was going to post a pic (instead of trying to explain it)but have since realised i cant!! so here goes:

with the exhaust cam marks straight across (12-6, 9-3 oclock respectively) the inlet cam looks to be 1 tooth advanced in a clockwise position..

can anyone tell me if standard yzf is when the cam markings are both lined up the same? or has mine at yzf spec already??? i am the second owner and have noticed some mods have been done ie throttle stop, air box etc it has a lot of punch and beats a crf450 and only just gets done by a yzf450..

thanks in advance

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  • dirtysouth

Posted February 19, 2008 - 12:00 PM

#2

i was wondering if anyone could tell me if my wr400 99 model has had the exhaust cam advanced to yzf spec?

i was going to post a pic (instead of trying to explain it)but have since realised i cant!! so here goes:

with the exhaust cam marks straight across (12-6, 9-3 oclock respectively) the inlet cam looks to be 1 tooth advanced in a clockwise position..

can anyone tell me if standard yzf is when the cam markings are both lined up the same? or has mine at yzf spec already??? i am the second owner and have noticed some mods have been done ie throttle stop, air box etc it has a lot of punch and beats a crf450 and only just gets done by a yzf450..

thanks in advance


Probably gonna have to take a pic man:excuseme:

  • 1rkcooper

Posted February 19, 2008 - 08:12 PM

#3

Here is what you need
http://motoman393.thumpertalk.com/

Go to tech articles and in there you will find how to change WR to YZ timing.

Take a look at the sticky threads at the top of the WR and the top of th YZ pages. There is lots of good info in there.




 
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