Completely redesigned and improved edition of the popular Motion Pro Vortex™ throttle. New lighter, ultra-compact design maximizes handlebar space. POM pulley with brass bearing for smooth feel and extended wear resistance. Now includes super-tough Motion Pro Titan Throttle Tube™. Die cast aluminum construction with billet aluminum cover. Smooth painted black finish. Compatible with Motion Pro DirtControl™ V2 and ODI V2 Lock-On grips (both sold separately) using cam 'C'. Fits 7/8" (22 mm) bars. Replaces O.E.M. throttle on many Japanese 2-stroke MX bikes. Fits 1992 - 2005 KX125 / 250, 1995 - 2005 RM125 / 250, 1996 - 2010 YZ125 / 250, and 1997 WR250Z with the stock throttle cables. For 1993 - 2003 Honda CR125, 1990 - 2004 CR250, and 1990 - 2001 CR500 use with Motion Pro Cable P/N 70-1713 (sold separately).