Vertex Complete Top End Kit - Replica Forged Piston Cylinder kitRef : VER00370A / 1117182002

VERTEX Complete Top-End Kit - Forged Replica Piston (ref. VTKTC24196B): forged aluminum piston designed for the preparation or refurbishment of the top-end of motocross machines. This kit includes the essential components to replace the piston and peripherals, with a bore diameter of 78.00 mm and a piston diameter of Ø 77.97 mm (oversize letter B). Piston compression: standard.

Designed for off-road use, this kit is aimed at riders looking for a robust and precise part, compliant with the listed specifications. Compatible with: KTM 250 EXC‑F SIX DAYS (2023), HUSQVARNA FE 250 (2023), and GAS GAS EC 250 F (2023) — verify the reference before installation.

Important note: top-end kits do not include ignition or clutch cover gaskets — remember to order them if you are replacing the timing chain or performing a complete engine teardown.

• Included: piston, rings, piston pin, circlips, top-end gaskets, needle cage (2T applications), crankshaft bearing (depending on application).
• 4T Feature: 4T kits include a timing chain.
• Material: forged aluminum for the piston.
• Piston Diameter: Ø 77.970 mm (letter B).

A practical kit for restarting the top-end on 250 cc enduros and motocross bikes, delivered with the necessary elements for a clean and structured replacement. Follow the torque specifications and manufacturer instructions during installation.