Wossner Piston Ring Set for 77.00mm Bore 4-Stroke Engines
Wossner Piston Ring Set for 77.00mm Bore 4-Stroke Engines
About this product
About this product
Restore peak performance and reliability to your 4-stroke motorcycle engine with the Wossner 77.00mm piston ring set. Engineered for precision and durability, this replacement ring set ensures optimal cylinder sealing and power output.
Description
Designed specifically for 4-stroke engines with a 77.00mm bore, this Wossner piston ring set is a critical component for any engine rebuild or maintenance. Manufactured from a high-quality blend of steel and cast materials, these motorcycle engine rings are engineered to provide superior sealing against combustion gases, preventing power loss and ensuring efficient operation. The robust construction of these replacement piston rings contributes to excellent heat transfer from the piston to the cylinder wall, helping to maintain optimal engine temperatures and extend component lifespan. By restoring proper cylinder compression, this Wossner 77.00mm piston ring set helps reduce oil consumption and delivers the crisp throttle response and power output your motorcycle deserves. Trust Wossner's reputation for precision engineering and premium materials to bring your engine back to its peak performance, making it an essential part of any comprehensive engine rebuild kit.
Features & Highlights
- Precision-Engineered Fit: Tailored specifically for 77.00mm bore 4-stroke engines, ensuring a perfect, airtight seal for maximum compression and power.
- Durable Material Construction: Crafted from high-grade steel and cast piston rings materials, these rings offer exceptional wear resistance and longevity, even under demanding conditions.
- Optimized Engine Performance: Restores critical cylinder sealing to prevent blow-by, improve fuel efficiency, reduce oil consumption, and deliver consistent, strong power delivery.
- Essential for Engine Rebuilds: A vital component for comprehensive engine overhauls, guaranteeing the integrity and reliability of your powerplant.
- Wossner Quality Assurance: Benefit from Wossner's legacy of manufacturing high-performance engine components, trusted by professionals and enthusiasts worldwide.
Technical Specifications
- Bore Size: 77.00 mm
- Engine Type: 4-Stroke
- Ring Material: Steel, Cast
- Units: Set
- Vendor Part Number: 770XAS-3
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
Specifications
770XAS-3
Piston Ring
77,00 mm
90 mm
2 mm
Steel, Cast
90 mm
4-Stroke
Set
Reviews


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.
Based in Denmark
Fast customer support
Over 100.000 Products
2-Year Full Warranty
Your peace of mind is our priority. Every product in our shop comes with a comprehensive 2-year warranty, so you can hit the road with full confidence.
Support in Danish, Swedish, German & English
Whether you are upgrading your exhaust or choosing a new helmet, our team of seasoned riders is ready to provide professional guidance for your specific bike.
Free Shipping Over 200€ (EU)
Shop your favorite gear without worrying about extra costs. We offer free shipping on all orders over 200€ (EU), ensuring your parts reach you safely and affordably.
Authorized Parts Europe Dealer
As a certified Parts Europe supplier, we guarantee 100% authentic, high-quality motorcycle parts and accessories directly from the world's leading manufacturers.

