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Vertex Forged Replica Piston Kit - Yamaha WR 450 F

Part number: 22915A

$289.95

Description

Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Specifications Compression Ratio: 12.5:1 Cylinder Diameter: 95mm Displacement: 450cc Piston O.D.: 94.93mm Vehicle Fitment Yamaha WR 450 F (2003-2015) Yamaha YZ 450 F (2003-2009) Vertex Pistons are precision-engineered for maximum performance and durability. Each kit is manufactured to OEM specifications with premium materials for a perfect fit. Backed by Vertex's quality guarantee.

Specifications

compression ratio12.5:1
cylinder diameter95mm
displacement450cc
part typeForged Replica Piston Kit
piston od94.93
vehicle typeDirt Bike

Listed vehicle applications

YearMakeModelNotes
2015YamahaWR 450 FCatalog application: 2015 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2014YamahaWR 450 FCatalog application: 2014 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2013YamahaWR 450 FCatalog application: 2013 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2012YamahaWR 450 FCatalog application: 2012 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2011YamahaWR 450 FCatalog application: 2011 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2010YamahaWR 450 FCatalog application: 2010 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2009YamahaWR 450 FCatalog application: 2009 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2008YamahaWR 450 FCatalog application: 2008 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2007YamahaWR 450 FCatalog application: 2007 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2006YamahaWR 450 FCatalog application: 2006 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2005YamahaWR 450 FCatalog application: 2005 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2004YamahaWR 450 FCatalog application: 2004 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2003YamahaWR 450 FCatalog application: 2003 Yamaha WR 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2009YamahaYZ 450 FCatalog application: 2009 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2008YamahaYZ 450 FCatalog application: 2008 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2007YamahaYZ 450 FCatalog application: 2007 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2006YamahaYZ 450 FCatalog application: 2006 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2005YamahaYZ 450 FCatalog application: 2005 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2004YamahaYZ 450 FCatalog application: 2004 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2003YamahaYZ 450 FCatalog application: 2003 Yamaha YZ 450 F. Piston OD 94.93 mm; Cylinder 95mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.

Check the exact vehicle application and specifications before ordering. Ask HPE if a detail is missing.