Headstock Bearings and Seals: Yamaha YZ450 YZ 450 (2003-2013) Yamaha PW50 This set of head stock

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Honda ST1100 for the years and models shown above

If you have a weak spark on your Kawasaki Z500 then the coils could be the culprit and it's a good idea to get some new coils on the bike

If you have a weak spark on your Honda CBX550 then the coils could be the culprit and it's a good idea to get some new coils on the bike

Yamaha TDR 125 (1993-2002)

Headstock Bearings and Seals: Yamaha YZ450 YZ 450 (2003-2013) Yamaha PW50 This set of head stockBrand new set of headstock steering bearings and seals to fit: Yamaha YZ 450 F (2003 2013). 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 YZ450 for the years and models shown above. Top sized: 28mm x 52mm x 16mm. Bottom sized: 30mm x 52mm x 16mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require different