Complete Top End Kit by Vertex

The complete top end kit comes with all the necessary parts to replace the piston, rings, pin, and gaskets, simplifying the top end overhaul. The 2-stroke version includes a needle cage for the crankshaft bearing, while the 4-stroke kits integrate a timing chain. This format allows for the repair to be carried out in a single operation, minimising the need for back-and-forth trips to find missing parts.

Design and Materials

• Piston, rings, piston pin, and circlips provided for a complete and consistent replacement during an overhaul
• Top end gaskets included to ensure sealing restoration simultaneously with piston replacement
• Needle cage provided for 2-stroke applications to guarantee crankshaft bearing replacement without additional parts

Practicality and Features

• Kit delivered with all listed components to reduce sourcing steps during repair
• The 4-stroke kits include a timing chain to facilitate a complete overhaul of the four-stroke top end

Advantages

• Compatible with Cross and Enduro uses, tailored to maintenance needs in the field
• OEM Reference VTK24569B

Examples of Compatible Motorcycles

• BETA RR 300 2T X-PRO (2025 - 300 cm³)
• BETA RR 300 2T RACE (2025 - 300 cm³)
• BETA RR 300 2T RACING (2024 - 300 cm³)

Complete list of compatible motorcycles available in the dedicated section below