Vertex Top End Piston Kit - Yamaha WR 250 F
Part number: VTKTC24371A
$273.95
Description
Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket, & Free Cam Chain). Specifications Compression Ratio: 13.8:1 Cylinder Diameter: 77mm Displacement: 250cc Piston O.D.: 76.95mm Vehicle Fitment Yamaha WR 250 F (2020-2024) Yamaha YZ 250 F (2019-2023) Yamaha YZ 250 FX (2020-2024) 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 ratio | 13.8:1 |
|---|---|
| cylinder diameter | 77mm |
| displacement | 250cc |
| part type | Top End Piston Kit |
| piston od | 76.95 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2024 | Yamaha | WR 250 F | Catalog application: 2024 Yamaha WR 250 F. Piston OD 76.95 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. |
| 2023 | Yamaha | WR 250 F | Catalog application: 2023 Yamaha WR 250 F. Piston OD 76.95 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. |
| 2022 | Yamaha | WR 250 F | Catalog application: 2022 Yamaha WR 250 F. Piston OD 76.95 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. |
| 2021 | Yamaha | WR 250 F | Catalog application: 2021 Yamaha WR 250 F. Piston OD 76.95 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. |
| 2020 | Yamaha | WR 250 F | Catalog application: 2020 Yamaha WR 250 F. Piston OD 76.95 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. |
| 2023 | Yamaha | YZ 250 F | Catalog application: 2023 Yamaha YZ 250 F. Piston OD 76.95 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. |
| 2022 | Yamaha | YZ 250 F | Catalog application: 2022 Yamaha YZ 250 F. Piston OD 76.95 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. |
| 2021 | Yamaha | YZ 250 F | Catalog application: 2021 Yamaha YZ 250 F. Piston OD 76.95 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. |
| 2020 | Yamaha | YZ 250 F | Catalog application: 2020 Yamaha YZ 250 F. Piston OD 76.95 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. |
| 2019 | Yamaha | YZ 250 F | Catalog application: 2019 Yamaha YZ 250 F. Piston OD 76.95 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. |
| 2024 | Yamaha | YZ 250 FX | Catalog application: 2024 Yamaha YZ 250 FX. Piston OD 76.95 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. |
| 2023 | Yamaha | YZ 250 FX | Catalog application: 2023 Yamaha YZ 250 FX. Piston OD 76.95 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. |
| 2022 | Yamaha | YZ 250 FX | Catalog application: 2022 Yamaha YZ 250 FX. Piston OD 76.95 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. |
| 2021 | Yamaha | YZ 250 FX | Catalog application: 2021 Yamaha YZ 250 FX. Piston OD 76.95 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. |
| 2020 | Yamaha | YZ 250 FX | Catalog application: 2020 Yamaha YZ 250 FX. Piston OD 76.95 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.