YAMAHA YZ 125 250 1997-2007 YZ 250 400 426 450 F 1998-2006 AS3 ALUMINIUM CHAIN GUIDE BLACK year-1990 they can be found here

they can be found here

2008-2013 KTM 125-450 SX-F models

2004-2023 Kawasaki KX 250 F

1999-2003 Suzuki RM 125

If you require replacements or like to carry an extra set as spares

YAMAHA YZ 125 250 1997-2007 YZ 250 400 426 450 F 1998-2006 AS3 ALUMINIUM CHAIN GUIDE BLACK year-1990 they can be found hereAS3 Performance aluminium chain guides are CNC machined from 6061 T6 aluminium for increased strength and durability. Featuring hard wearing plastic inserts, they will not bend or buckle like the OEM or plastic guides and will protect your chain in some of the toughest of riding conditions. Will Fit 1997 2007 Yamaha YZ 125 1997 2007 Yamaha YZ 250 2001 2006 Yamaha YZ 250 F 1998 1999 Yamaha YZ 400 F 2000 2002 Yamaha YZ 426 F 2003 2006 Yamaha YZ 450 F