Vertex Forged Replica Piston Kit - Yamaha WR 400 F
Part number: 22567A
$262.95
Description
Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Specifications Compression Ratio: 12.5:1 Cylinder Diameter: 92mm Displacement: 400cc Piston O.D.: 91.93mm Vehicle Fitment Yamaha WR 400 F (1998-2000) Yamaha YZ 400 F (1998-1999) 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 | 12.5:1 |
|---|---|
| cylinder diameter | 92mm |
| displacement | 400cc |
| part type | Forged Replica Piston Kit |
| piston od | 91.93 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2000 | Yamaha | WR 400 F | Catalog application: 2000 Yamaha WR 400 F. Piston OD 91.93 mm; Cylinder 92mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 1999 | Yamaha | WR 400 F | Catalog application: 1999 Yamaha WR 400 F. Piston OD 91.93 mm; Cylinder 92mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 1998 | Yamaha | WR 400 F | Catalog application: 1998 Yamaha WR 400 F. Piston OD 91.93 mm; Cylinder 92mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 1999 | Yamaha | YZ 400 F | Catalog application: 1999 Yamaha YZ 400 F. Piston OD 91.93 mm; Cylinder 92mm. Forged Replica Piston Kit. Includes (Piston, Ring Set, Wrist Pin & Circlips). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 1998 | Yamaha | YZ 400 F | Catalog application: 1998 Yamaha YZ 400 F. Piston OD 91.93 mm; Cylinder 92mm. 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.