PISTON KIT 84-90 YZ490 88.5MM, FORGED WOSSNER 8317D150
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wossner 88.50mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features include forged construction for enhanced strength and longevity, optimized heat transfer for improved engine performance, and an elliptical design that prevents piston collapse and ensures even load distribution. Specifications: Bore Size 88.50mm, Stroke 82.00mm, Compression Height 40.00mm, Number of Rings 2, Clip Part Number CW18, Pin Size 18mm, Pin Part Number WP042, Cylinders 1, Compatible Needle Bearing N1022. Part No: 56-W4815.150.WO. Wossner Part No: 8317D150.
- SKU
- 56-W4815.150.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 311619
FULL DESCRIPTION
Wossner 88.50mm Forged Piston Kit
Experience enhanced strength and durability with the Wossner 88.50mm forged piston kit. Engineered for optimal heat transfer, this piston ensures efficient cooling of the combustion chamber, contributing to improved engine performance. Its innovative elliptical design creates a uniform bearing surface, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse and premature wear.
Key Features:
- Forged Construction: Provides superior strength and longevity for demanding applications.
- Optimized Heat Transfer: Promotes efficient cooling of the combustion chamber, leading to better performance.
- Elliptical Design: Prevents piston collapse and ensures even load distribution for a longer lifespan.
- Precision Manufactured in Germany: Guarantees high-quality standards and exceptional reliability.
Specifications:
- Bore Size: 88.50mm
- Stroke: 82.00mm
- Compression Height: 40.00mm
- Number of Rings: 2
- Clip Part Number: CW18
- Pin Size: 18mm
- Pin Part Number: WP042
- Cylinders: 1
- Compatible Needle Bearing: N1022
Cross-Reference Information:
- Wossner Part Number: 8317D150
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.