PISTON KIT 84-85 CR250 69.50, WOSSNER 8156D350 HONDA MX
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
This Wossner piston kit features a 69.50 mm bore and an actual piston diameter of 69.44 mm. Forged in Germany, this piston offers high strength and efficient heat transfer. Its elliptical design promotes a uniform bearing surface during thermal expansion, helping to distribute thrust loads evenly and reduce localised stress. Features include a forged piston for enhanced durability, engineered for efficient thermal transfer, an elliptical profile for even load distribution, and manufactured in Germany. Specifications include a bore size of 69.50 mm, actual piston diameter of 69.44 mm, display of 246 cm³, stroke of 72.00 mm, clearance of 0.06 mm, compression height of 38.00 mm, Wossner compression ratio of 2-stroke, and OEM compression ratio of 2-stroke. The Wossner piston part number is 8156D350, lock part number is CW18, pin part number is WP033, and ring set part number is RSB6950 x2. Alternate part number is 56-W526_P14.WO. Weight is 184 grams.
- SKU
- 56-W526_P14.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 69.5mm
- Variant Id
- 256704
FULL DESCRIPTION
Wossner Piston Kit for Honda CR250R & ATAC250
This Wossner piston kit is expertly crafted for high-performance engines. Forged in Germany, this piston is engineered for superior durability and efficient heat dissipation. Its advanced elliptical design ensures even bearing surface during thermal expansion, which helps to distribute thrust loads uniformly and minimizes localized stress, thereby preventing piston collapse.
Key Features
- Forged piston for enhanced strength and longevity
- Designed for efficient thermal transfer from the combustion chamber
- Elliptical profile promotes even load distribution and reduces stress
- Precision manufactured in Germany
Specifications
- Bore Size: 69.50 mm
- Actual Piston Diameter: 69.44 mm
- Display (cm³): 246
- Stroke: 72.00 mm
- Clearance: 0.06 mm
- Compression Height: 38.00 mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke
Component Part Numbers
- Wossner Piston Part Number: 8156D350
- Lock Part Number: CW18
- Pin Part Number: WP033
- Ring Set Part Number: RSB6950 x2
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.