PISTON KIT 76-79 YZ250 70.00, FORGED WOSSNER 8179DA 2K7-11637-01-00
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Wossner forged piston kit with a bore size of 70.00mm and actual bore diameter of 69.94mm. This piston features an elliptical design for uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include a displacement of 246 cm³, stroke of 64.00mm, clearance of 0.06mm, 2-stroke Wossner and OEM compression ratio, compression height of 33.00mm, lock part number CW18, pin part number WP033, and ring set part number RSB7000 x 2. Cross-reference OEM part numbers: 2K7-11637-01-00, 234M07000. Weight is 320 grams.
- SKU
- 56-W234+000.WO
- Brand
- Wossner
- Availability
- Out of Stock
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 70mm
- Variant Id
- 255130
FULL DESCRIPTION
Wossner Forged Piston Kit - 70.00mm Bore
Upgrade your engine's performance and durability with this Wossner forged piston kit. Engineered for strength and optimal heat transfer, this piston features an elliptical design that ensures uniform bearing surface under heat expansion. This innovative design reduces localized pressure and effectively prevents piston collapse, leading to a longer-lasting and more reliable engine.
Key Features:
- Forged Construction: Provides superior strength and enhanced durability over cast pistons.
- Optimized Heat Transfer: Promotes efficient combustion chamber performance.
- Elliptical Design: Guarantees even thrust load distribution and minimizes the risk of piston collapse under operational stress.
- German Manufacturing: Precision engineered and manufactured in Germany for exceptional quality.
Specifications:
- Bore Size: 70.00mm
- Actual Bore Diameter: 69.94mm
- Displacement: 246 cm³
- Stroke: 64.00mm
- Clearance: 0.06mm
- Compression Height: 33.00mm
- Lock Part Number: CW18
- Pin Part Number: WP033
- Ring Set Part Number: RSB7000 x 2
Cross-Reference OEM Part Numbers:
- 2K7-11637-01-00
- 234M07000
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.