Headstock Bearings and Seals: Kawasaki Ninja 300 (EX300) (2013-2014) Yamaha RZ350 These coils are all now

These coils are all now over 30 years old and are definitely worth an upgrade

This cylinder kit has been manufactured to replace the original top end on a Honda CRF125 for the years and models shown above

To upgrade OEM: 21121-1010 / 21121-1011 or 21121-1035 / 21121-1036

Suzuki GSX 750 F (1988-2004)

The nut is 16mm x 1

Headstock Bearings and Seals: Kawasaki Ninja 300 (EX300) (2013-2014) Yamaha RZ350 These coils are all nowBrand new set of headstock steering bearings with seals to fit: Kawasaki Ninja 300 R (EX300 A) (2013 2014). Kawasaki Ninja 300 R (EX300 B) (2013 2014). Kawasaki Ninja 300 R SE (EX300 A) (2014). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Kawasaki Ninja300 for the years and models shown above. Top sized: 30mm x 48mm x 14mm. Bottom sized: 30mm x 52mm x 16mm. All