Headstock Bearings and Seals: Suzuki GS400 GS 400 (1977-1979) Yamaha BL125 To replace the following OEM

To replace the following OEM numbers: 21171-1286 / 21171-0028 or Denso 129700-5350

If you have a weak spark on your Suzuki RF600R then the coils could be the culprit and it's a good idea to get some new coils on the bike

Suzuki GSX-R 400 R (GK73A) (1989)

The coil pack comes with the spark plug cap

Headstock Bearings and Seals: Suzuki GS400 GS 400 (1977-1979) Yamaha BL125 To replace the following OEMBrand new set of headstock steering bearings with seals to fit: Suzuki GS 400 (E Start) (1977 1979). Suzuki GS 400 X (K Start) (1977 1978). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Suzuki GS400 for the years and models shown above. Top and bottom steering bearings with seals are included. Top sized ID25 x OD48 x WTH15. Bottom sized ID27 x OD48 x WTH12. Seals