Big Bore Cylinder Barrel Kit: Piaggio Sfera 50 (1991-1994) Honda NE50 Suzuki RF 400 R (GK78A)

Suzuki RF 400 R (GK78A) (1993-1996)

The front left and front right pads are included

To replace OEM: 21121-1237 or 21121-1238

These steering bearings are taper roller style and have been designed to replace the factory set on a Yamaha IT490 for the years 1983 & 1984

Big Bore Cylinder Barrel Kit: Piaggio Sfera 50 (1991-1994) Honda NE50 Suzuki RF 400 R (GK78A)Brand new big bore cylinder barrel kit to fit: Piaggio Sfera 50 TT (1991 1994). Piaggio Sfera 50 RST. This cylinder kit has been manufactured to upgrade the original top end on a Piaggio Sfera 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.