Wossner Forged Piston Kit 250cc
Wossner Forged Piston Kit 250cc
Auf Lager
About this product
About this product
Upgrade your engine's performance with the Wossner Forged Piston Kit. Designed and manufactured in-house, this kit provides superior strength and reliability for demanding applications. Experience the difference that leading Supercross, Arenacross, and MX GP teams trust.
Description
The Wossner Forged Piston Kit delivers exceptional performance and durability. Crafted from high-quality forged aluminum alloy, this piston withstands extreme pressures and temperatures. The moly-coated skirt minimizes friction, facilitating smoother break-in and quieter engine operation. Optimized for 250cc 2-stroke engines with a 66.40 mm bore and 72.00 mm stroke length, this kit enhances power output and throttle response. Wossner's commitment to tight piston-to-wall clearances ensures optimal engine performance and longevity. Each kit contains everything needed for a complete installation.
Features & highlights
- In-house designed and manufactured for superior quality control.
- Forged aluminum alloy construction ensures exceptional strength and durability.
- Moly-coated skirt reduces friction and promotes smoother break-in.
- Lightweight design improves throttle response and overall performance.
- Optimized piston-to-wall clearances minimize noise and maximize efficiency.
- Complete kit includes piston, rings, wrist pin, and pin locks.
- Trusted by leading Supercross, Arenacross, and MX GP teams worldwide.
Technical specifications
- Brand: Wossner
- MPN: 09104866
- Bore Size: 66.40 mm
- Displacement: 250 cc
- Engine Type: 2-Stroke
- Piston Diameter: 66.34 mm
- Piston Material: Forged Aluminum Alloy
- Piston Size: Standard Size A
- Ring Material: Steel, Cast
- Skirt Coating: Moly Coated
- Stroke Length: 72.00 mm
- Type: Replacement Forged Piston
Important to know
This is a replacement forged piston kit.
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
8171DA
Piston Kit
66,40 mm
250 cc
Aluminum Alloy, Forged
72,00 mm
Steel, Cast
Standard Size A
66,34 mm
Moly Coated
2-Stroke
Replacement Forged Piston
Kit
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 80.000 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.

