Part No. RHK-BT2 RHK throttle tube is a forged aluminium construction which reduces wear. Features sealed ball bearing virtually eliminating friction & arm fatigue. CNC machined from 6061-T6 aluminium. Knurled grip mounting area. Fitment. Kawasaki KLX 230 R 2020-On Kawasaki KLX 300 R 2020-On Yamaha WR 426 F 2001-2002 Yamaha WR 450 F 2003-On Yamaha YZ 250 F 2001-On Yamaha YZ 250 FX 2015-On Yamaha YZ 400 F 1998-1999 Yamaha YZ 426 F 2000-2002 Yamaha YZ 450 F 2003-On Yamaha YZ 450 FX 2016-On Kawasaki KX 250 F 2004-On Kawasaki KX 250 F Monster Energy 2009 Kawasaki KX 450 F 2005-On Kawasaki KX 450 F Monster Energy 2009 Yamaha WR 250 F 2001-On Yamaha WR 250 R 2008-On Yamaha WR 250 X 2008-2010 Yamaha WR 400 F 1998-2000