PISTON KIT 92-98 RGV250 56.501-RING, FORGED WOSSNER 8039D050
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wossner forged piston kit with a 56.50mm bore and 56.45mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore: 56.50mm, Diameter: 56.45mm, Display (cm³): 249, Stroke (mm): 50.60, Clearance (mm): 0.05, Wossner Compression Ratio: 2-Stroke, OEM Compression Ratio: 2-Stroke, Compression Height (mm): 28.50. Cross-Reference OEM Part Numbers: Wossner Piston Suzuki RGV250 / Aprilia RS250 (PN# 8039D050), Ring Set P/N: RSB5650, Lock P/N: CW18, Pin P/N: WP033.
- SKU
- 56-W255_050.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 56.5mm
- Variant Id
- 255249
FULL DESCRIPTION
Wossner Forged Piston Kit - 56.50mm Bore
Upgrade your engine's performance with this high-quality Wossner forged piston kit. Engineered for durability and optimal performance, this piston is designed to withstand the demands of high-performance engines.
Key Features:
- Forged Construction: Provides superior strength and resistance to extreme conditions compared to cast pistons.
- Optimized Heat Transfer: Designed to efficiently transfer heat to the cylinder walls, promoting consistent combustion temperatures.
- Elliptical Design: Features an elliptical profile that creates a uniform bearing surface under heat expansion. This design minimizes localized pressure points and evenly distributes thrust loads, preventing piston collapse.
- German Engineering: Manufactured in Germany, ensuring precision and quality craftsmanship.
Specifications:
- Bore Size: 56.50mm
- Piston Diameter: 56.45mm
- Engine Displacement: 249 cm³
- Stroke: 50.60mm
- Piston Clearance: 0.05mm
- Compression Height: 28.50mm
- Wossner Compression Ratio: 2-Stroke
- OEM Compression Ratio: 2-Stroke
This kit includes all necessary components for a complete piston replacement, including the piston rings, lock set, and pin.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.