PISTON KIT 89-95 TSR125 56.00, FORGED WOSSNER 8009DA 12140-17C12
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 with a 56.00mm bore and 55.94mm diameter. This piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Manufactured in Germany. Specifications: Bore 56.00mm, Diameter 55.94mm, Display (cm³) 125, Stroke (mm) 50.00, Clearance (mm) 0.06, Compression Height (mm) 28.50. Cross-Reference OEM Part Numbers: Wossner Piston Suzuki TSR125 (PN# 8009DA), Lock P/N: CW16, Pin P/N: WP036, Ring Set P/N: RSB5600 x 2, OEM Reference: 12140-17C12.
- SKU
- 56-W259.000.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (7)
| Make | Model | Year |
|---|---|---|
| SUZUKI | TSR 125 | 1989 |
| SUZUKI | TSR 125 | 1990 |
| SUZUKI | TSR 125 | 1991 |
| SUZUKI | TSR 125 | 1992 |
| SUZUKI | TSR 125 | 1993 |
| SUZUKI | TSR 125 | 1994 |
| SUZUKI | TSR 125 | 1995 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 56mm
- Variant Id
- 255276
FULL DESCRIPTION
Wossner Forged Piston Kit - 56.00mm Bore
This Wossner forged piston kit is engineered for exceptional performance and durability. Manufactured in Germany, its forged construction provides superior strength compared to cast pistons. The design focuses on optimal heat transfer to the cylinder walls, ensuring efficient combustion and reliable operation. An innovative elliptical design helps create a uniform bearing surface even under extreme heat expansion, which reduces localized pressure and evenly distributes thrust loads to prevent piston collapse.
Key Features:
- Forged Construction: Offers enhanced strength and longevity.
- Optimized Heat Transfer: Promotes efficient combustion and cooling.
- Elliptical Design: Ensures uniform load distribution and prevents piston collapse.
- German Engineering: Built to high manufacturing standards.
Specifications:
- Bore: 56.00mm
- Diameter: 55.94mm
- Display (cm³): 125
- Stroke (mm): 50.00
- Clearance (mm): 0.06
- Compression Height (mm): 28.50
Included Components:
- Wossner Piston (PN# 8009DA)
- Lock P/N: CW16
- Pin P/N: WP036
- Ring Set P/N: RSB5600 (x2)
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us 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.