PISTON KIT 03-06 KLX400 90.00, FORGED WOSSNER 8565DB
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5β8 business days
Spread the cost with
Wossner forged piston kit with a 90.00mm bore size. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications: Bore Size 90.01mm, Actual Bore Diameter 89.95mm, Displacement 398 cm³, Stroke 62.60mm, Clearance 0.06mm, Wossner Compression Ratio OEM, OEM Compression Ratio 12.20:1, Dome Volume -2.00 cm³, Compression Height 25.30mm, Theoretical Weight 250.00g, Lock Part Number CW20, Pin Part Number WP029, Ring Set Part Number 900XSY, Rod Part Number P4009. Weight 412g.
- SKU
- 56-W211+00B.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 90mm
- Variant Id
- 255014
FULL DESCRIPTION
Wossner Forged Piston Kit - 90.00mm Bore
Enhance the performance and durability of your motorcycle's engine with this premium forged piston kit from Wossner. Engineered with precision in Germany, this kit is designed to deliver superior strength and optimal combustion efficiency.
Key Features:
- Forged Construction: Provides exceptional strength and resistance to wear, ensuring longevity under demanding conditions.
- Elliptical Design: Features an intelligent elliptical shape that adapts to heat expansion, maintaining a uniform bearing surface and preventing localized pressure and piston collapse.
- Optimized Heat Transfer: Facilitates efficient heat management within the combustion chamber, contributing to improved performance.
- High-Quality Manufacturing: Precision-crafted in Germany for guaranteed reliability and performance.
Specifications:
- Bore Size: 90.01mm
- Actual Bore Diameter: 89.95mm
- Displacement: 398 cm³
- Stroke: 62.60mm
- Clearance: 0.06mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 12.20:1
- Dome Volume: -2.00 cm³
- Compression Height: 25.30mm
- Theoretical Weight: 250.00g
- Lock Part Number: CW20
- Pin Part Number: WP029
- Ring Set Part Number: 900XSY
- Rod Part Number: P4009
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 5β8 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.


