Reference: VTK24571A — Complete top-end kit VERTEX "Pro Version forged piston". Designed for motocross users who want to refurbish the top-end with properly matched components, this kit includes everything necessary for a clean and quick replacement.
The piston is made of forged aluminum, designated Pro Version, in oversize A for a bore of 54.00 mm (piston diameter Ø 53.94 mm). Piston compression: Standard. This kit allows for the restoration of piston/bore clearance while adhering to manufacturer specifications.
- Included: piston, rings, piston pin, circlips, top-end gaskets.
- For 2T applications: needle cage (crankshaft bearing) included.
- Note: VERTEX 4T kits provide a timing chain when applicable.
Ideal for regular maintenance and rebuilds after hours of riding in motocross terrain. The forged piston maintains the dimensional characteristics necessary for timing and mechanical integrity without excessive alteration of the original geometry. Complete supply to limit trips to the workshop and save time during disassembly/reassembly.
Compatible motorcycles (examples):
- YAMAHA YZ 125 (2026 - 125 cc)
- FANTIC XX 125 (2026 - 125 cc)
- FANTIC XE 125 (2025 - 125 cc)