Headstock Bearings: Yamaha YZ80 YZ 80 (1977-1983) Honda NU50 To replace OEM cylinders: 361-11311-00

To replace OEM cylinders: 361-11311-00 / 361-11321-00

To replace OEM: 21121-0027

Honda C 50 Single Seat Model (1992-1993) & (1995) & (1997-2002)

Yamaha YZF R7 (1999)

Headstock Bearings: Yamaha YZ80 YZ 80 (1977-1983) Honda NU50 To replace OEM cylinders: 361-11311-00Brand new set of headstock steering bearings to fit: Yamaha YZ 80 (1977 1983). 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 YZ80 for the years and models shown above. Top sized: 25mm x 43mm x 12mm. Bottom sized: 30mm x 48mm x 12mm. All sizes set out ID x OD x Thickness. The top and bottom steering bearings are included. The seals are not included. Please