Description

YAMAHA YZ 250F 19-20, ATHENA P400485100073 304CC BIG BORE, CYLINDER FULL KIT 85mm (Piston included)

Technical features

• Bore Diameter (mm)     85.00
• Bore Gain (mm)     +8
• Compression Ratio     13.3:1
• Displacement (cc)     304.15

YAMAHA YZ F 250 cc 2019/2020