Headstock Bearings & Seals: Honda NX650 NX 650 (1988-1999) Yamaha TZR250 If you're having spark issues

If you're having spark issues with your YZ490 then you should definitely consider upgrading your coil to a performance coil

If you're having spark issues with your CW50 or you're just looking for an improved spark

Kawasaki KLX 650 R D4 (1999)

To replace OEM bottom: 92116-1009

They have been manufactured to replace the original set of head stock bearings on a Suzuki RM250 for the years shown above

Headstock Bearings & Seals: Honda NX650 NX 650 (1988-1999) Yamaha TZR250 If you're having spark issuesBrand new set of headstock steering bearings with seals to fit: Honda NX 650 Dominator (1988 1999). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a NX650 for the years and models shown above. Top and bottom headstock bearings with seals are included. We also stock without seals, please see our other listings for these. Both sized ID26 x OD47 x WTH15. Seals aren't