Vertex 125cc Top End Piston Kit
Vertex 125cc Top End Piston Kit
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your two-stroke engine with the Vertex Top End Piston Kit. This cast replica piston kit delivers reliable performance and extended engine life. Designed as an OEM replacement, it ensures a perfect fit and optimal functionality.
Description
The Vertex Top End Piston Kit is engineered for enthusiasts and professionals seeking a dependable and cost-effective solution. Crafted from gravity-cast aluminum alloy with 18% silicone content, the piston achieves an exceptional balance of lightweight design and robust strength. The piston undergoes a T-5 heat treatment, enhancing its hardness and durability. Furthermore, a Molybdenum Disulphide coating on the piston skirt reduces friction, facilitating quicker break-in times and prolonging piston life. This kit is designed for 125cc 2-stroke engines with a 54.00 mm bore.
Features & highlights
- OEM Replica: Designed as a direct OEM replacement for easy installation and perfect fit.
- Enhanced Durability: T-5 heat treatment ensures superior hardness and resistance to wear.
- Friction Reduction: Molybdenum Disulphide coated piston skirt minimizes friction for faster break-in.
- Lightweight & Strong: Gravity-cast aluminum alloy with 18% silicone provides optimal strength-to-weight ratio.
- Complete Kit: Includes all necessary components for a top-end rebuild.
Technical specifications
- Brand: Vertex
- Engine Type: 2-Stroke
- Displacement: 125cc
- Bore Size: 54.00 mm
- Piston Diameter: 53.95 mm
- Piston Material: Cast Aluminum Alloy
- Piston Size: Standard Size B
- Ring Material: Nitride Coated Steel
- Type: Top End
Important to know
This top end piston kit includes the piston, rings, wrist pin, circlips, and top end gaskets. Please ensure compatibility with your specific engine model before installation.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
VERTEX
VTK23928B
Piston Kit
54,00 mm
125 cc
Aluminum Alloy, Cast
Nitride Coated, Steel
Standard Size B
53,95 mm
2-Stroke
Top End
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

