Big Bore Cylinder Barrel Kit: Aprilia SR 50 (1994-2000) Yamaha IT250 Yamaha XJR 400 R (1995-2007)

Yamaha XJR 400 R (1995-2007)

To replace OEM: 30510-KK4-003

These GSX400 ignition coils are 90mm from centre to centre and 2 spade connectors

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a XL600 for the years and models shown above

Big Bore Cylinder Barrel Kit: Aprilia SR 50 (1994-2000) Yamaha IT250 Yamaha XJR 400 R (1995-2007)Brand new big bore cylinder barrel kit to fit: Aprilia SR 50 (1994 2000). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia SR50 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. Not R Model.