This is a new Yamaha shift shaft that has gone thru the following number changes. Old # 23X-18101-00-00, Old # 23X-18101-01-00, Old # 38W-18101-01-00, and now current number 38W-18101-02-00.
This shift shaft fits the following Yamaha models.
YTZ250 TRI-Z 250 3 WHEELER 1985-1986
YZ250 1980-1987
IT250 1981-1983
YZ465 1980-1981
IT465 1981-1982
YZ490 1983-1990
IT490 1983-1984
WR500 1992-1993
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