VERTEX TOP END PISTON KIT YAM WR 250 F 05-13 BB-3MM VTKTC23129B-1

VERTEX TOP END PISTON KIT YAM WR 250 F 05-13 BB-3MM VTKTC23129B-1 Top End Piston Kit. Includes (+3mm Forged Big Bore Piston Kit, +3mm Top End Gasket Kit, Side Cover Gasket & Free Cam Chain).

Compression ratio

13.5:1

Cylinder Diameter

80mm

Displacement

270cc

Piston OD

79.97

Size over STD

3mm