Big Bore Cylinder Barrel Kit: Aprilia SR 50 (1997-2002) Kawasaki KLF250 Kawasaki ZR 750 C Zephyr

Kawasaki ZR 750 C Zephyr (1991-1995)

Yamaha YZF-R1 (1998-2006)

They have been manufactured to replace the original set of head stock bearings on an XS400 for the years shown above

Honda NS 250 F (MC11) (1984)

We also stock the cylinder kit for this model - please see our other listings for this

Big Bore Cylinder Barrel Kit: Aprilia SR 50 (1997-2002) Kawasaki KLF250 Kawasaki ZR 750 C ZephyrBrand new big bore cylinder barrel kit to fit: Aprilia SR 50 WWW (1997 2002). This cylinder kit is an upgrade on the original Aprilia SR 50 for the years and models shown above. The top end will go from 50cc to 70cc. This kit includes: cylinder (barrel jug) cylinder head piston kit gaskets To replace OEM cylinder: TBC Minarelli Horizontal 2T A C (Air Cooled) Engine.