Highlight the main benefit or unique feature of the product in three to four sentences.
WOSSNER Pro Series 4-stroke piston kit is built for riders who want a durable, high-quality top-end rebuild with excellent ring seal and smooth running characteristics. The forged aluminum construction and skirt coating help reduce friction and support fast, consistent break-in. Enhanced wrist pin oiling features improve lubrication where it matters most, helping extend service life under demanding riding conditions.
Explain how the product/service solves a specific problem or improves life.
If your engine has lost compression, developed piston noise, or you’re refreshing the top end for performance and reliability, this complete kit provides the core components needed in one package. With treated ring lands and a tight piston wall clearance design, it helps restore proper sealing, oil control and quiet operation—so you can ride with confidence.
Key features:
✅ Enhanced piston pin oiling slots, radial boss machining and annular grooves for improved wrist pin lubrication
✅ Skirt-coated piston to reduce friction and improve break-in performance
✅ Ring land treatment for improved ring seal and oil control
Benefits of use:
🔹 More reliable top-end refresh with matched components in one kit
🔹 Smoother, quieter engine operation thanks to tight piston wall clearance design
🔹 Improved durability under load due to better lubrication and sealing characteristics
Technical specifications:
📌 Engine type: 4-Stroke
📌 Bore size: 77.01 mm (+0.01 mm oversize)
📌 Compression ratio: 13.5:1
📌 Piston material: Forged aluminum alloy
📌 Includes: piston, ring set, wrist pin, retaining clips (Piston #8635DB; Ring Set #RIK77.00D; Wrist Pin #WP059-SP; Clips #CW16)
Why choose this product/service?!
⭐ Proven WOSSNER Pro Series quality for demanding engine rebuilds
⭐ Complete kit simplifies ordering and ensures component compatibility
⭐ Excellent choice for riders who want strong sealing, reduced friction and dependable performance