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The VERTEX VTK23630D-3 top-end kit is designed to simplify the overhaul of your motocross engine. Combining all the necessary parts, it saves you time in the garage and avoids multiple trips to complete a piston replacement. Ideal for riders who maintain their 250 2T and prepare the machine for the track.
Included:
piston (aluminum)
rings
piston pin
circlips
top-end gaskets
needle bearing (for 2T applications)
Note: 4T kits include a timing chain where applicable
Technical specifications:
Piston compression: Standard
Bore diameter: 66.40 mm
Piston diameter: Ø 66.37 mm (oversize D)
Material: Aluminum
Compatible with several recent 250 motocross models, including KTM 250 SX (2026), HUSQVARNA TE 250 (2026), and GAS GAS MC 250 (2026). This VERTEX kit allows you to restore the top-end with parts suitable for a complete piston replacement and its peripheral components.
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