Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Wossner Pro Forged Piston Kit - 77.02mm Bore - Size C - 8635DC
Product info
- Item number
- 09104955
- Manufacturer number
- 8635DC
- Position
Upgrade your 4-stroke engine with the Wossner Piston Kit, engineered for superior performance and durability. This kit is designed to provide improved lubrication, reduced friction, and enhanced engine efficiency. Experience the difference Wossner's precision engineering makes in your engine's performance.
Description
The Wossner Piston Kit features enhanced piston pin oiling slots, radial boss machining, and annular grooves, ensuring optimal wrist pin lubrication. Its lightweight design and tight piston wall clearance contribute to a quieter running engine. The skirt is coated to minimize friction and facilitate improved break-in performance. Furthermore, the ring land treatment improves ring seal and oil control, maximizing engine efficiency. The double-bridged forging design (where applicable) adds strength and durability. With a 77.02mm bore size and a compression ratio of 13.5:1, this forged aluminum alloy piston is built to withstand high-performance demands. Upgrade your 4-stroke engine with this premium piston kit and experience improved power and reliability. The 76.98mm piston size ensures a precise fit within the cylinder.
Features & highlights
- Enhanced wrist pin lubrication: Radial boss machining and annular grooves maximize lubrication.
- Reduced friction: Skirt coating minimizes friction and improves break-in.
- Improved ring seal: Ring land treatment optimizes oil control and combustion sealing.
- Lightweight design: Ensures a quieter running engine and improved responsiveness.
- Forged Construction: Provides superior strength and durability for demanding applications.
- Complete Kit: Includes piston, rings, wrist pin, and pin locks for a comprehensive upgrade.
Technical specifications
- Brand: Wossner
- Part Number: 8635DC
- Bore Size: 77.02 mm
- Piston Size: 76.98 mm
- Bore - Oversize: +0.02 mm
- Compression Ratio: 13.5:1
- Engine Type: 4-Stroke
- Piston Material: Forged Aluminum Alloy
- Stroke Length: 53.60 mm
- Units: Kit
Important to know
Ensure proper installation by a qualified technician. Verify compatibility with your specific engine model before installation.
- Brand
- WOSSNER
- Vendor part number
- 8635DC
- Product name
- Piston Kit
- Bore size
- 77,02 mm
- Compression ratio
- 13.5:1
- Piston material
- Aluminum Alloy, Forged
- Stroke length
- 53,60 mm
- Piston size
- 76.98 mm
- Engine type
- 4-Stroke
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
Certified e-mærket web shop
