Maintenance & Technical > KX500 Original

YZ250 and YZ125 Shifters are a good fit on the KX500

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cwtoyota:
Hey fellas, a friend dropped off her 2008 YZ125 last weekend as we plan to do a complete bottom end rebuild here soon.   It's been sitting on the stand in my shop next to my 1990 KX500 and I glanced at her Tusk shifter that I put on maybe five years ago during the last rebuild.

Long story short ("Too Late!")  I have a bunch of YZ's and spare parts, so I grabbed a new shifter off the shelf.   The OEM and Tusk brand shifter for the 2005+ YZ125 and YZ250 is a great match for our later model KX500s.

The YZ shifter works out to about 1/8" longer (about 3 or 4 millimeters) than the stock KX shifter.   The splines are a perfect fit and it times up to where it is level with the top of the OEM KX500 footpeg.    There are a LOT of options out there for the YZ250 and YZ125, so I thought I'd share this info here.

At full up-shift position, the YZ shifter clears the 14 tooth sprocket and wider o-ring chain fine.   A 15 tooth may or may not touch, I don't have one.

cwtoyota:
Well, I can't seem to attach the photos I have...   It's telling me the attachment folder is full.  Hopefully this imgur link works out instead.

Link:  https://imgur.com/a/98dX8c1

sandblaster:
Cool.
The kx450f shift levers work great on 94-04 kx500s.
Hammerhead makes levers 5mm, 10mm, 15mm, and 20mm longer than stock.

For older KX500's find a 94-04 shift shaft and install it.

cwtoyota:
That's good to know too.   Are the shift shafts larger on the later engine?

sandblaster:
Larger diameter splines.

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