Headstock Bearings and Seals: Yamaha FZ8 FZ 8 (2011-2014) Yamaha RD250 21121-1140 or 21121-1170 on a

21121-1140 or 21121-1170 on a Kawasaki KDX200 for the years and models shown above:

Honda CB 100 NA (1980-1987)

If you're having spark problems on your Kawasaki ZX-10 then it's a good idea to get some new coils on the bike as these could be the culprit to a weak spark

Kawasaki ZX-7RR (ZX750 N) (1996-1997)

Headstock Bearings and Seals: Yamaha FZ8 FZ 8 (2011-2014) Yamaha RD250 21121-1140 or 21121-1170 on aBrand new set of headstock steering bearings and seals to fit: Yamaha FZ8 (2011 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 Yamaha FZ8 for the years and models shown above. Top sized: 30mm x 55mm x 17mm. Bottom sized: 31mm x 55mm x 17mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require different sizes