PISTON KIT 90-91 KX250 67.40 B, WOSSNER 8109DB KAWASAKI MX
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner forged piston kit with 67.41mm bore and 67.35mm piston diameter. Features include forged construction for superior strength, optimised heat dissipation, and elliptical geometry for uniform thrust load distribution and reduced wear. Precision-manufactured in Germany. Specifications: Bore Size 67.41 mm, Piston Diameter 67.35 mm, Engine Displacement 250 cm³, Stroke 70.00 mm, Clearance 0.06 mm, Compression Height 37.00 mm, Compression Ratio 2-stroke. Wossner Part Numbers: Piston Kit 8109DB, Lock CW18, Pin WP033, Ring Set RSB6740 x 2, Rod P2022. Weight 328g.
- SKU
- 56-W607+00B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 67.40 mm
- Variant Id
- 257088
FULL DESCRIPTION
Wossner Forged Piston Kit 67.41mm Bore for Kawasaki
Enhance the performance and durability of your Kawasaki engine with this Wossner forged piston kit. Precision-engineered for optimal power delivery and longevity, this kit is designed to meet the demanding needs of off-road motorcycles.
Key Features:
- Forged Construction: Offers superior strength and extended service life compared to cast pistons, ensuring reliability under high stress.
- Elliptical Design: Engineered with an elliptical geometry that promotes even load distribution and minimizes wear by reducing localized pressure build-up during thermal expansion.
- Efficient Heat Dissipation: Optimized for effective management of combustion chamber heat, contributing to cooler engine operation and improved performance.
- German Precision Manufacturing: Crafted with meticulous attention to detail in Germany, guaranteeing high-quality standards and precise tolerances.
Specifications:
- Bore Size: 67.41 mm
- Piston Diameter: 67.35 mm
- Engine Displacement: 250 cm³
- Stroke: 70.00 mm
- Clearance: 0.06 mm
- Compression Height: 37.00 mm
- Compression Ratio: 2-stroke
Wossner Components Included:
- Piston Kit (Part Number: 8109DB)
- Lock (Part Number: CW18)
- Pin (Part Number: WP033)
- Ring Set (Part Number: RSB6740 x 2)
- Rod (Part Number: P2022)
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.