Big Bore Cylinder Barrel Kit: Yamaha PW50 PW 50 60cc (1981-2022) Honda CBX1000 Bottom bearing: 28mm x 52mm

Bottom bearing: 28mm x 52mm x 16mm

1990 & 1991

Triumph Sprint ST 1050 EFI (ABS) (2009-2010)

Yamaha PW 50 (1981-2025)

Kawasaki (K) Z 1300 A (1979-1982)

Big Bore Cylinder Barrel Kit: Yamaha PW50 PW 50 60cc (1981-2022) Honda CBX1000 Bottom bearing: 28mm x 52mmBrand new big bore cylinder barrel kit to fit: Yamaha PW 50 (1981 2022). (big bore 60cc upgrade). Upgrade your barrel from 50cc to 60cc with no modifications necessary from the standard PW50. This is the highest quality aftermarket Yamaha PW50 cylinder kit you can get on the market. The performance will meet that of the genuine part and you'll save yourself a bit of money too. Includes Cylinder, Gasket, Piston Kit, Cylinder Head, Spark Plug, Studs and