Vertex Top End Piston Kit - Yamaha WR 250 F
Part number: VTKTC23941B
$274.95
Description
Top End Piston Kit. Includes (Forged Replica Piston Kit, Top End Gasket Kit, Ignition Cover Gasket & Free Cam Chain). Specifications Compression Ratio: 13.5:1 Cylinder Diameter: 77mm Displacement: 250cc Piston O.D.: 76.96mm Vehicle Fitment Yamaha WR 250 F (2015-2017) Yamaha YZ 250 F (2014-2015) Yamaha YZ 250 FX (2015-2016) 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 | 13.5:1 |
|---|---|
| cylinder diameter | 77mm |
| displacement | 250cc |
| part type | Top End Piston Kit |
| piston od | 76.96 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2017 | Yamaha | WR 250 F | Catalog application: 2017 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. |
| 2016 | Yamaha | WR 250 F | Catalog application: 2016 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. |
| 2015 | Yamaha | WR 250 F | Catalog application: 2015 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. |
| 2015 | Yamaha | YZ 250 F | Catalog application: 2015 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. |
| 2014 | Yamaha | YZ 250 F | Catalog application: 2014 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. |
| 2016 | Yamaha | YZ 250 FX | Catalog application: 2016 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. |
| 2015 | Yamaha | YZ 250 FX | Catalog application: 2015 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.