Headstock Bearings: Honda RVF400 (1994-1996) Yamaha TZR50 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

These coils are all now roughly 40 years old so it's definitely worth an upgrade if you're looking for a better spark on your XJ650

This coil pack set has been manufactured to replace 21121-1144 or 21121-1145 on a Kawasaki ZL600 for the years and models shown above

The models are A1 & A2

Headstock Bearings: Honda RVF400 (1994-1996) Yamaha TZR50 If you're having spark issuesBrand new set of headstock steering bearings to fit: Honda RVF 400 R (NC35) (1985 1986). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a RVF400 RR RR2 RT RT2 for the years and models shown above. Top and bottom headstock bearings included. Top sized 26mm x 47mm x 15mm. Bottom sized 30mm x 55mm x 17mm. Please check sizes prior to purchase. FREE UK DELIVERY on these