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Vertex Top End Piston Kit - Yamaha YZ 125

Part number: VTK24570B

$189.95

Vertex Top End Piston Kit - Yamaha YZ 125 — VTK24570BVertex Top End Piston Kit - Yamaha YZ 125 — VTK24570BVertex Top End Piston Kit - Yamaha YZ 125 — VTK24570BVertex Top End Piston Kit - Yamaha YZ 125 — VTK24570BVertex Top End Piston Kit - Yamaha YZ 125 — VTK24570B

Description

Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Specifications Cylinder Diameter: 54mm Displacement: 125cc Piston O.D.: 53.95mm Vehicle Fitment Yamaha YZ 125 (2022-2024) Yamaha YZ 125 X (2023-2024) 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 ratioSTD
cylinder diameter54mm
displacement125cc
part typeTop End Piston Kit
piston od53.95
vehicle typeDirt Bike

Listed vehicle applications

YearMakeModelNotes
2024YamahaYZ 125Catalog application: 2024 Yamaha YZ 125. Piston OD 53.95 mm; Cylinder 54mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023YamahaYZ 125Catalog application: 2023 Yamaha YZ 125. Piston OD 53.95 mm; Cylinder 54mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2022YamahaYZ 125Catalog application: 2022 Yamaha YZ 125. Piston OD 53.95 mm; Cylinder 54mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2024YamahaYZ 125 XCatalog application: 2024 Yamaha YZ 125 X. Piston OD 53.95 mm; Cylinder 54mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23.
2023YamahaYZ 125 XCatalog application: 2023 Yamaha YZ 125 X. Piston OD 53.95 mm; Cylinder 54mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). 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.