CYLINDER FULL KIT 95MM YAMAHA YFZ 450 09-25, ATHENA P400485100046 STD BORE, (Piston included)

This standard bore cylinder kit is a complete top-end replacement set designed to match original equipment performance for 450 cc applications. It includes a lightweight aluminium cylinder with a nickel-silicon wear-resistant coating, a piston assembly, and all required gaskets, and is designed to install without modifications to the engine crankcase.

Features

• Standard bore cylinder kit intended to match original equipment performance

• Wear-resistant nickel-silicon cylinder coating for smooth operation and reduced wear

• Piston design intended to reduce friction

• Includes cylinder, piston, piston pin, piston rings, and full gasket set

• Designed for installation without engine crankcase modifications

• Developed and validated through bench and road testing

• Must be used in accordance with applicable national regulations; manufacturer accepts no responsibility for improper use

Specifications

• Manufacturer part number: P400485100046

• Bore diameter: 95.00 mm

• Displacement: 450 cc

• Compression ratio: 11.4:1

• Net weight: 1.21 kg

• Cylinder material: aluminium

• Cylinder coating: nickel-silicon (Motor-Nicksil)

Cross-Reference OEM Part Numbers

• S4F09500012A

• S4F09500012B

• P400485160012

• S41316023

Vehicle Fitments

• YAMAHA YFZ BILL BALANCE EDITION 450 cc (2010–2025)

• YAMAHA YFZ R 450 cc (2009–2013)

• YAMAHA YFZ R BLUISH WHITE/DEEP PURP.SOLID/BLACK 450 cc (2009–2025)

• YAMAHA YFZ R SPECIAL EDITION 450 cc (2010–2013)

• YAMAHA YFZ X 450 cc (2010–2011)

• YAMAHA YFZ X SPECIAL EDITION 450 cc (2011–2025)