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Vertex Forged Replica Piston Kit - Fantic Motor XEF 250

Part number: 24371B

$242.95

Description

Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Specifications Compression Ratio: 13.8:1 Cylinder Diameter: 77mm Displacement: 250cc Piston O.D.: 76.96mm Vehicle Fitment Fantic Motor XEF 250 (2022-2025) Fantic Motor XXF 250 (2022-2025) Yamaha WR 250 F (2020-2025) Yamaha YZ 250 F (2019-2025) Yamaha YZ 250 FX (2020-2025) 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 ratio13.8:1
cylinder diameter77mm
displacement250cc
part typeForged Replica Piston Kit
piston od76.96
vehicle typeDirt Bike

Listed vehicle applications

YearMakeModelNotes
2025Fantic MotorXEF 250Catalog application: 2025 Fantic Motor XEF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024Fantic MotorXEF 250Catalog application: 2024 Fantic Motor XEF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023Fantic MotorXEF 250Catalog application: 2023 Fantic Motor XEF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022Fantic MotorXEF 250Catalog application: 2022 Fantic Motor XEF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2025Fantic MotorXXF 250Catalog application: 2025 Fantic Motor XXF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024Fantic MotorXXF 250Catalog application: 2024 Fantic Motor XXF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023Fantic MotorXXF 250Catalog application: 2023 Fantic Motor XXF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022Fantic MotorXXF 250Catalog application: 2022 Fantic Motor XXF 250. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2025YamahaWR 250 FCatalog application: 2025 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024YamahaWR 250 FCatalog application: 2024 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023YamahaWR 250 FCatalog application: 2023 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022YamahaWR 250 FCatalog application: 2022 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2021YamahaWR 250 FCatalog application: 2021 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2020YamahaWR 250 FCatalog application: 2020 Yamaha WR 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2025YamahaYZ 250 FCatalog application: 2025 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024YamahaYZ 250 FCatalog application: 2024 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023YamahaYZ 250 FCatalog application: 2023 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022YamahaYZ 250 FCatalog application: 2022 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2021YamahaYZ 250 FCatalog application: 2021 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2020YamahaYZ 250 FCatalog application: 2020 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2019YamahaYZ 250 FCatalog application: 2019 Yamaha YZ 250 F. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2025YamahaYZ 250 FXCatalog application: 2025 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024YamahaYZ 250 FXCatalog application: 2024 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023YamahaYZ 250 FXCatalog application: 2023 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022YamahaYZ 250 FXCatalog application: 2022 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2021YamahaYZ 250 FXCatalog application: 2021 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2020YamahaYZ 250 FXCatalog application: 2020 Yamaha YZ 250 FX. Piston OD 76.96 mm; Cylinder 77mm. 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.