Athena Big bore Cylinder Yamaha YZ F 250 4T 19-24

The standard cylinder kit Athena, specific for Yamaha YZ 250 F 4T 19-24 300cc, includes an 85mm diameter nickel-plated cylinder, complete forged piston and gasket kit for installation.

This kit is the perfect alternative to the original spare part and can be installed without modifying the original crankcases. The high production quality standards and perfect sealing, thanks to the multilayer cylinder head gasket relief system, guarantee the same quality and performance as the original at an unbeatable price.

• Displacement: 300cc (cm3)
• Diameter: Ø85mm
• Stroke: 
• Compression ratio: 13.3:1

Compatible with:

• Yamaha YZ F 250 19-24
• Yamaha WR F 250 20-24

Spare parts:

• S5F08500005A/B/C Forged Piston (A: ø 84.95 / B: ø 84.96 / C: ø 84.97)
• P400485160073 Gasket kit
• SR1316016 Piston rings 85mm