Fitment
Compatible with RM125 1975-2007
Compatible with RM250 1976-2008
Compatible with YZ250 1978-2002
Compatible with CR250 1973 1997
Compatible with CR250R 1978-2008
Compatible with CR500R 1984-2001
Compatible with KX125 1974-2005
Compatible with KX250 1974-2006 2012-2013
Measurement
Inlet Side Inner Diameter: 59mm
Inlet Side Outer Diameter: 63mm
Outlet Side Inner Diameter: 38mm
Outlet Side Outer Diameter: 46mm