Will this work on pre-89 models?
You guys are bound and determined to make me work today
These models it will fit.
59256-1065
Kawasaki Motorcycle 1991 KX125 - KX125-H2 Engine Cover
Kawasaki Motorcycle 1992 KX250 - KX250-J1 Engine Cover
Kawasaki Motorcycle 1993 KX125 - KX125-J2 Engine Cover
Kawasaki Motorcycle 1990 KX500 - KX500-E2 Engine Cover
Kawasaki Motorcycle 1989 KX500 - KX500-E1 Engine Cover
Kawasaki Motorcycle 1993 KX250 - KX250-J2 Engine Cover
Kawasaki Motorcycle 1991 KX500 - KX500-E3 Engine Cover
Kawasaki Motorcycle 1992 KX125 - KX125-J1 Engine Cover
Kawasaki Motorcycle 1988 KX500 - KX500-D1 Engine Cover(s)
Kawasaki Motorcycle 1994 KX500 - KX500-E6 Engine Cover(s)
Kawasaki Motorcycle 1996 KX125 - KX125-K3 Engine Cover(s)
Kawasaki Motorcycle 1995 KX250 - KX250-K2 Engine Cover(s)
Kawasaki Motorcycle 2002 KX250 - KX250-L4 Engine Cover(s)
Kawasaki Motorcycle 2002 KX500 - KX500-E14 Engine Cover(s)
Kawasaki Motorcycle 2004 KX250 - KX250-M2 Engine Cover(s)
Kawasaki Motorcycle 1993 KX500 - KX500-E5 Engine Cover(s)
Kawasaki Motorcycle 1996 KX250 - KX250-K3 Engine Cover(s)
Kawasaki Motorcycle 1998 KX500 - KX500-E10 Engine Cover(s)
Kawasaki Motorcycle 1998 KX250 - KX250-K5 Engine Cover(s)
Kawasaki Motorcycle 1998 KX125 - KX125-K5 Engine Cover(s)
Kawasaki Motorcycle 1999 KX125 - KX125-L1 Engine Cover(s)
Kawasaki Motorcycle 1997 KX500 - KX500-E9 Engine Cover(s)
Kawasaki Motorcycle 1994 KX125 - KX125-K1 Engine Cover(s)
Kawasaki Motorcycle 2004 KX500 - KX500-E16 Engine Cover(s)
Kawasaki Motorcycle 1997 KX125 - KX125-K4 Engine Cover(s)
Kawasaki Motorcycle 1999 KX500 - KX500-E11 Engine Cover(s)
Kawasaki Motorcycle 1999 KX250 - KX250-L1 Engine Cover(s)
Kawasaki Motorcycle 2000 KX500 - KX500-E12 Engine Cover(s)
Kawasaki Motorcycle 2000 KX250 - KX250-L2 Engine Cover(s)
Kawasaki Motorcycle 2002 KX125 - KX125-L4 Engine Cover(s)
Kawasaki Motorcycle 2003 KX250 - KX250-M1 Engine Cover(s)
Kawasaki Motorcycle 2003 KX500 - KX500-E15 Engine Cover(s)
Kawasaki Motorcycle 1997 KX250 - KX250-K4 Engine Cover(s)
Kawasaki Motorcycle 2001 KX125 - KX125-L3 Engine Cover(s)
Kawasaki Motorcycle 1995 KX500 - KX500-E7 Engine Cover(s)
Kawasaki Motorcycle 1994 KX250 - KX250-K1 Engine Cover(s)
Kawasaki Motorcycle 1996 KX500 - KX500-E8 Engine Cover(s)
Kawasaki Motorcycle 1995 KX125 - KX125-K2 Engine Cover(s)
Kawasaki Motorcycle 2005 KX125 - KX125-M3 Engine Cover(s)
Kawasaki Motorcycle 2001 KX250 - KX250-L3 Engine Cover(s)
Kawasaki Motorcycle 2001 KX500 - KX500-E13 Engine Cover(s)
Kawasaki Motorcycle 2004 KX125 - KX125-M2 Engine Cover(s)
Kawasaki Motorcycle 2003 KX125 - KX125-M1 Engine Cover(s)
Kawasaki Motorcycle 1992 KX500 - KX500-E4 Engine Cover(s)
Kawasaki Motorcycle 2000 KX125 - KX125-L2 Engine Cover(s)
Kawasaki Motorcycle 1987 KX500 - KX500-C1 ENGINE COVERS/WATER PUMP
Kawasaki Motorcycle 2005 KX250F - KX250-N2 Water Pump
Kawasaki Motorcycle 2010 KX250F - KX250XAFB Water Pump
Kawasaki Motorcycle 2015 KX250F - KX250ZFF Water Pump
Kawasaki Motorcycle 2014 KX250F - KX250ZEF Water Pump
Kawasaki Motorcycle 2004 KX250F - KX250-N1 Water Pump
Kawasaki Motorcycle 2019 KX250F - KX252AKF Water Pump
Kawasaki Motorcycle 2017 KX250F - KX252AHF Water Pump
Kawasaki Motorcycle 2018 KX250F - KX252AJF Water Pump
Kawasaki Motorcycle 2008 KX250F - KX250T8F Water Pump
Kawasaki Motorcycle 2009 KX250F - KX250W9F Water Pump
Kawasaki Motorcycle 2006 KX250F - KX250T6F Water Pump
Kawasaki Motorcycle 2007 KX250F - KX250T7F Water Pump
Kawasaki Motorcycle 2009 KX250F Monster Energy - KX250W9FA Water Pump
Kawasaki Motorcycle 2012 KX250F - KX250YCF Water Pump
Kawasaki Motorcycle 2013 KX250F - KX250ZDF Water Pump
Kawasaki Motorcycle 2016 KX250F - KX250ZGF Water Pump
Kawasaki Motorcycle 2011 KX250F - KX250YBF Water Pump
My thought is that it will fit the earlier KX500's.
But if you want to verify, send me your clutch cover, shaft, seals, bearings, and water pump cover, and I'll check it for you.