ProX Piston Kit CR250 05 07 (66.37mm) Sprockets Also it allows the possibility yamaha pw50 throttle Also it allows the possibility of resoling (and therefore giving new life to the boot) Make Model Years Engineworx Crankshaft Bearing Kit Husaberg TE250 11 14 EW10 54005 Husaberg TE300 11 14 EW10 54005 Husqvarna TC 250 14 19 EW10 54005 Husqvarna TE 250 14 18 EW10 54005 Husqvarna TE 250 TPI 18 19 EW10 54005 Husqvarna TE 300 14 18 EW10 54005 Husqvarna TE 300 TPI 19 EW10 54005 Husqvarna TX 300 17 19 EW10 54005 KTM EXC 250 04 05 EW10 54005 KTM FREERIDE 250 R 15 17 EW10 54005 KTM SX 250 03 19 EW10 54005 KTM SXS 250 03 04 EW10 54005 KTM XC 250 06 18 EW10 54005 KTM XC W 250 06 07 EW10 54005 KTM XC W 250 08 18 EW10 54005 KTM XC W 250 TPI 18 19 EW10 54005 KTM EXC 300 04 05 EW10 54005 KTM MXC 300 04 05 EW10 54005 KTM XC 300 06 18 EW10 54005 KTM XC W 300 06 18 EW10 54005 KTM XC W 300 Six Days 15 18 EW10 54005 KTM XC W 300 TPI 19 EW10 54005 as well as in A ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle