Cylinder Barrel Kit: KTM SX50 SX 50 LC (2001-2008) Yamaha FS1 If your bike still uses

If your bike still uses a resistor

Kawasaki KH 125 K (1982-1998)

Pin/Pin type mounting

then this could be the solution

BMW HP2 Megamoto (2006-2008)

Cylinder Barrel Kit: KTM SX50 SX 50 LC (2001-2008) Yamaha FS1 If your bike still usesBrand new Cylinder Barrel Top End Rebuild kit to fit: KTM SX 50 LC (Liquid Cooled) (2001 2008). This is the highest quality aftermarket KTM SX50 cylinder kit you can get on the market. This kit comes with everything you'll need to completely rebuild the top end on your Liquid Cooled SX50. Includes Cylinder, Gasket, Piston Kit, Cylinder Head, Spark Plug, Studs and Nuts as seen in picture to fit all years and models. Piston kit includes Piston, Ring,