PISTON KIT 93-02 YZ80 47.00 C, WOSSNER 8188DC YAMAHA MX
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner 8188DC Piston Kit. Features forged construction for enhanced durability and structural strength, an elliptical design to maintain a consistent bearing surface during thermal expansion, and optimized heat transfer from the combustion chamber to the cylinder walls. Made with German engineering and manufacturing. Specifications include a bore of 47.02 mm, actual piston diameter of 46.97 mm, stroke of 47.80 mm, displacement of 82 cm³, clearance of 0.05 mm, and compression height of 26.00 mm. Compression ratio is 2-stroke for both Wossner and OEM. Cross-reference OEM part numbers include Wossner Piston: 8188DC, Lock: CW14, Pin: WP058, Ring Set: RSB4700, Rod: P2008. Internal Part No: 56-W646+00C.WO. Weight: 132g.
- SKU
- 56-W646+00C.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 47.00mm
- Variant Id
- 257297
FULL DESCRIPTION
Wossner Piston Kit for Yamaha YZ80
This precision-forged piston kit from Wossner is engineered for enhanced performance and durability. Designed in Germany, it offers superior thermal and mechanical properties to withstand demanding riding conditions.
The unique elliptical profile of the piston ensures uniform surface contact even under extreme heat expansion. This design evenly distributes loads, effectively reducing stress points and helping to prevent potential piston failure.
Key Features
- Forged construction for superior durability and structural strength.
- Elliptical piston design maintains a consistent bearing surface during thermal expansion.
- Optimised heat transfer from the combustion chamber to the cylinder walls.
- German engineering and manufacturing ensure high quality and reliability.
Specifications
- Bore: 47.02 mm
- Actual Piston Diameter: 46.97 mm
- Stroke: 47.80 mm
- Displacement: 82 cm³
- Clearance: 0.05 mm
- Compression Height: 26.00 mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke
Included Components
- Wossner Piston: 8188DC
- Lock: CW14
- Pin: WP058
- Ring Set: RSB4700
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.