Big Bore Cylinder Barrel Kit: Aprilia Sport City 50 (2008-2011) Yamaha IT425 Kawasaki ZX-6R (ZX600 P) (2007-2008)

Kawasaki ZX-6R (ZX600 P) (2007-2008)

Honda CRM 250 AR (MD32) (1997-1998)

just a plug and play with this coil

Kawasaki GPZ 550 H (KZ550 H) (1982-1983)

They have been manufactured to replace the original set of head stock bearings on a Yamaha SR125 for the years and models shown above

Big Bore Cylinder Barrel Kit: Aprilia Sport City 50 (2008-2011) Yamaha IT425 Kawasaki ZX-6R (ZX600 P) (2007-2008)Brand new big bore cylinder barrel kit to fit: Aprilia Sport City One 50 (2008 2011). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia Sport City 50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc.