PISTON KIT 2010 KX250F 77mm A, WOSSNER 8778DA KAWASAKI HC 13001-0115, COMP 13.9:1
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner forged high-compression piston kit with a 77mm bore size (76.96mm actual) and a two-ring configuration. Manufactured in Germany, this piston features a high-compression dome for increased performance, an elliptical profile for consistent load distribution, and efficient heat transfer for durability. Specifications include a 250 cm³ displacement, 53.60 mm stroke, 0.04 mm clearance, 13.90:1 compression ratio (Wossner), 13.20:1 compression ratio (OEM), -1.40 cm³ dome volume, 19.60 mm compression height, lock part number CW16, pin part number WP070, and ring set part number 770XAS. Cross-reference OEM part number 13001-0115. Weight is 220 grams.
- SKU
- 56-W953.A.WO.HC
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (1)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 250F | 2010 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77.00mm
- Variant Id
- 258371
FULL DESCRIPTION
Wossner Forged High-Compression Piston Kit 77mm
Upgrade your engine's performance with this Wossner forged high-compression piston kit. Engineered for power and durability, this kit is manufactured in Germany to exacting standards. It features a 77mm bore size and a high-compression dome design to maximize combustion efficiency and power output.
Key Features:
- Forged high-compression piston design for enhanced power.
- Incorporates a two-ring configuration for optimal sealing and performance.
- Elliptical piston profile ensures consistent load distribution, even under extreme heat expansion.
- Designed for efficient heat transfer from the combustion chamber to the cylinder walls, promoting durability.
- Precision manufactured in Germany for superior quality and reliability.
Specifications:
- Bore Size: 77mm (Actual: 76.96mm)
- Compression Ratio: 13.9:1
- Compression Height: 19.60 mm
- Dome Volume: -1.40 cm³
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us 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.