simimi

Member
Dec 20, 2000
160
0
Having riden a XR400 and now owning a YZ400 I am hoping to mellow out the YZ for some trail riding.

I have raced it, but now want to go on some trail rides with friends and family. I find the hit of the YZ is strong, it does not *LUG* like the XR.

Now I know these are two different bikes, but is there a way to mellow the YZ?

Can I change the timing to that of a WR?
If I raise rear sprocket size will that mellow it or make it too responsive? (I have a 50tooth on there now).

Any ideas appreciated,

Mike
 

littlerm

Member
Dec 1, 1999
58
0
I would just add more flywheel weight and maybe change the gearing. To me the YZ timing is MUCH better than the WR timing. It has more snap in the lower-midrange for lofting the front wheel over logs. My WR is fast, but is VERY controllable. And the only difference motor-wise between it and a YZ is the flywheel weight and the gearing.

Roger Little
'99 WR400 (with YZ timing)
 

TexXR

Member
Jul 14, 2000
51
0
I just got a new 426 and it's my intention to install an 8 or 10 oz flywheel weight to get a little less abrupt power and to combat stalling.
 
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