The Vertex Cast Replica Piston Kit is a dependable OE-style replacement designed for 2-stroke 85cc engines, ideal when you want a straightforward top-end refresh without changing the compression ratio. Thanks to its T-5 heat-treating process and a high-tech molybdenum disulphite skirt coating, it helps shorten break-in time, improves scuff resistance, and supports longer piston life—great for keeping your bike running crisp and consistent.
This kit is supplied with the essential components for installation, making it a practical solution for routine rebuilds and restoring performance after hours of riding.
Key features:
✅ T-5 heat treated for durability and stable performance
✅ Molybdenum disulphite skirt coating for faster break-in and reduced friction
✅ Gravity-cast aluminum alloy (18% silicon) for OE-like fit and wear characteristics
Benefits of use:
🔹 OE-style reliability—a cast replacement piston made to match original-type operation
🔹 Longer service life thanks to coating and heat treatment that reduce wear
🔹 Convenient rebuild solution—includes the key parts needed for a top-end refresh
Technical specifications (if needed):
📌 Engine type: 2-Stroke
📌 Displacement: 85 cc
📌 Compression ratio: Standard
📌 Piston diameter: 48.45 mm
📌 Cylinder diameter: 48.50 mm
📌 Model: Cast Replica
📌 Kit contents: piston, 1x compression ring, wrist pin, circlips
Why choose this product/service?
⭐ Proven Vertex quality for consistent fit and dependable operation
⭐ Complete kit format helps simplify ordering and rebuild prep
⭐ A smart choice for riders who want an OE-replacement top-end with modern coating benefits