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Old 11-24-2012, 10:23 AM   #8
Ignorance is a gift
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Joined: Jan 2008
Location: 0hio
Oddometer: 722
Originally Posted by hunter_greyghost View Post
Looks really top notch, can't wait 'til you get it on deck & give us an evaluation of the finished product!
Did the YZ frontend take much fitting?, looks like you have a couple of extra holes to move the top end of the rear shock around too?

The front end from the 1987 YZ125 was much more involved than I had thought. We ended up cutting the stem out of the original XS650 lower tree, machining the lower plate of the YZ to accept the larger XS stem and pressing the XS stem into the ZY plate. Then we had to make a shim for the upper YZ tree to fit the XS stem.

We did that then I came accross the 1989 YZ490 and the top tree (rubber mounted bar mounts vice cast) fit right on the XS stem without any modification. The YZ490 lower tree might be a direct swap too, but I haven't tried to fit it just yet.

Here are some pics of the front triple tree mod:

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