2Bros Parts

PISTON KIT Aprilia RS125 A, FORGED WOSSNER KIT 8027DA

$126.83

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

Wossner forged piston kit for 2-stroke engines featuring superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features: forged construction for enhanced durability, optimized heat transfer, elliptical design prevents localized pressure and piston collapse, designed for 2-stroke applications. Specifications: Bore 53.95 mm, Piston Size 54.00 mm, Displacement 125 cm³, Stroke 54.50 mm, Clearance 0.05 mm, Compression Height 29.00 mm. Cross-Reference OEM Part Numbers: Rings (2x) RSB5400, Clips CW15, Pin WP032.

Specifications
SKU
56-W046.A.WO
Brand
Wossner
Availability
In Stock (4)

Fitments (28)

MakeModelYear
APRILIARS 1251985
APRILIARS 1251986
APRILIARS 1251987
APRILIARS 1251988
APRILIARS 1251989
APRILIARS 1251990
APRILIARS 1251991
APRILIARS 1251992
APRILIARS 1251993
APRILIARS 1251994
APRILIARS 1251995
APRILIARS 1251996
APRILIARS 1251997
APRILIARS 1251998
APRILIARS 1251999
APRILIARS 1252000
APRILIARS 1252001
APRILIARS 1252002
APRILIARS 1252003
APRILIARS 1252004
APRILIARS 1252005
APRILIARS 1252006
APRILIARS 1252007
APRILIARS 1252008
APRILIARS 1252009
APRILIARS 1252010
APRILIARS 1252011
APRILIARS 1252012
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
254389
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit for 2-Stroke Engines

This Wossner forged piston kit is engineered for enhanced strength and superior performance in demanding 2-stroke applications. Precision manufactured in Germany, this kit is designed to optimize heat transfer from the combustion chamber to the cylinder walls, contributing to improved engine efficiency and longevity. The advanced elliptical design ensures a uniform bearing surface, even under extreme heat expansion. This feature minimizes localized pressure points and distributes thrust loads evenly, effectively preventing piston collapse and ensuring reliable operation.

Key Features

  • Forged construction for exceptional durability and strength.
  • Optimized heat transfer properties for improved engine performance.
  • Elliptical piston design prevents localized pressure and guards against piston collapse.
  • Specifically designed for 2-stroke engine applications.

Specifications

  • Bore: 53.95 mm
  • Piston Size: 54.00 mm
  • Displacement: 125 cm³
  • Stroke: 54.50 mm
  • Clearance: 0.05 mm
  • Compression Height: 29.00 mm
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

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.

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.

Apply for Trade
1