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Vertex Top End Piston Kit - Yamaha WR 250 F

Part number: VTKTC24109B

$281.95

Vertex Top End Piston Kit - Yamaha WR 250 F — VTKTC24109BVertex Top End Piston Kit - Yamaha WR 250 F — VTKTC24109BVertex Top End Piston Kit - Yamaha WR 250 F — VTKTC24109BVertex Top End Piston Kit - Yamaha WR 250 F — VTKTC24109BVertex Top End Piston Kit - Yamaha WR 250 F — VTKTC24109B

Description

Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Specifications Compression Ratio: 13.5:1 Cylinder Diameter: 77mm Displacement: 250cc Piston O.D.: 76.96mm Vehicle Fitment Yamaha WR 250 F (2018-2019) Yamaha YZ 250 F (2016-2018) Yamaha YZ 250 FX (2017-2019) 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 ratio13.5:1
cylinder diameter77mm
displacement250cc
part typeTop End Piston Kit
piston od76.96
vehicle typeDirt Bike

Listed vehicle applications

YearMakeModelNotes
2019YamahaWR 250 FCatalog application: 2019 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2018YamahaWR 250 FCatalog application: 2018 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2018YamahaYZ 250 FCatalog application: 2018 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2017YamahaYZ 250 FCatalog application: 2017 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2016YamahaYZ 250 FCatalog application: 2016 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2019YamahaYZ 250 FXCatalog application: 2019 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2018YamahaYZ 250 FXCatalog application: 2018 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2017YamahaYZ 250 FXCatalog application: 2017 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). 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.