headstock bearings yamaha yz400 yz 400 1977 1979 Suzuki VZR1800 K4 and K5 models

K4 and K5 models

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This set of steering stem bearings has been designed to replace the factory set on the GS650 for the above years and models

Yamaha WR 500 (1992-1993)

headstock bearings yamaha yz400 yz 400 1977 1979 Suzuki VZR1800 K4 and K5 modelsBrand new set of headstock steering bearings to fit: Yamaha YZ 400 (1977 1979). This steering bearing set is taper roller style and has been designed to replace the factory bearings on a Yamaha YZ400 for the years 1977, 1978 & 1979. Top bearing sized ID25 x OD47 x WTH15 and bottom bearing sized ID30x OD55 x WTH17. All sizes in mm.