PISTON KIT 82-84 YZ490 88.50mm, FORGED WOSSNER 8266D150
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 88.50mm, oversize +1.50mm, part number 8266D150. Engineered with an elliptical shape for uniform bearing surface distribution, preventing piston collapse and optimized heat transfer. Manufactured in Germany for high performance and reliability. Specifications include bore 88.50mm, clearance 0.08mm, display 465 cm³, stroke 82.00mm, compression ratio 2-stroke, compression height 40.00mm, lock part number CW18, pin part number WP042, and ring set part number RSC8850 x2.
- SKU
- 56-W478+1.50.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 88.5mm
- Variant Id
- 256058
FULL DESCRIPTION
Wossner Forged Piston Kit 88.50mm - Enhance Your Engine's Performance
Upgrade your motorcycle's engine with this premium Wossner forged piston kit. Engineered for exceptional durability and optimized heat transfer, this piston is designed to deliver high performance and reliability.
Key Features:
- Forged Construction: Provides superior strength and longevity, ensuring the piston can withstand demanding conditions.
- Optimized Heat Transfer: Promotes efficient combustion for improved engine performance.
- Elliptical Design: Features an innovative elliptical shape for uniform bearing surface distribution, effectively preventing piston collapse and ensuring consistent operation.
- German Engineering: Manufactured in Germany, a hallmark of quality and precision.
Specifications:
- Piston Size: 88.42mm
- Bore Size: 88.50mm
- Oversize: +1.50mm
- Piston Clearance: 0.08mm
- Display Volume: 465 cm³
- Stroke: 82.00mm
- Compression Ratio: 2-stroke
- Compression Height: 40.00mm
- Lock Part Number: CW18
- Pin Part Number: WP042
- Ring Set Part Number: RSC8850 (x2)
Part Number: Wossner 8266D150
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.