Wossner Piston Kit - 4-stroke, 77.01mm Bore
Wossner Piston Kit - 4-stroke, 77.01mm Bore
Available in stock (4)
About this product
About this product
Upgrade your 4-stroke engine's performance with the Wossner Piston Kit. This kit is engineered for enthusiasts and professionals seeking enhanced power, reliability, and optimized engine function. Experience improved lubrication, reduced friction, and superior ring seal, ensuring your engine operates at its peak potential.
Description
The Wossner Piston Kit features advanced design elements for optimal performance. Enhanced piston pin oiling slots, radial boss machining, and annular grooves significantly improve wrist pin lubrication, reducing wear and extending component life. The lightweight forged aluminum alloy piston, designed with a tight piston wall clearance, ensures quieter engine operation. The skirt coating minimizes friction and promotes efficient break-in. Furthermore, ring land treatment enhances ring seal and oil control, maximizing power output and minimizing oil consumption. The double-bridged forging design (where applicable) adds strength and durability. This kit is meticulously crafted to provide a seamless fit and deliver exceptional performance gains.
Features & highlights
- Improved wrist pin lubrication through enhanced oiling slots and radial boss machining.
- Lightweight piston design reduces engine noise and optimizes performance.
- Skirt coating minimizes friction and ensures a smooth break-in process.
- Enhanced ring seal and oil control for maximum power and efficiency.
- Forged aluminum alloy construction for superior strength and durability.
- Complete kit includes piston, rings, wrist pin, and pin locks.
Technical specifications
- Brand: Wossner
- Piston Material: Forged Aluminum Alloy
- Engine Type: 4-Stroke
- Bore Size: 77.01 mm
- Piston Size: 76.97 mm
- Bore - Oversize: +0.01 mm
- Stroke Length: 53.60 mm
- Compression Ratio: 13.9:1
- Units: Kit
Important to know
Ensure proper installation and adherence to manufacturer specifications for optimal performance and longevity. Professional installation is recommended.
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
WOSSNER
8781DB
Piston Kit
77,01 mm
13.9:1
Aluminum Alloy, Forged
53,60 mm
76.97 mm
4-Stroke
Kit
Reviews


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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.
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