Piston Kit Aprilia RS125 E, Forged Wossner Kit 8027DE

Piston Kit Aprilia RS125 E, Forged Wossner Kit 8027DE. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit Aprilia RS125 E, Forged Wossner Kit 8027DE
• Part number: 56-W046.E.WO
• Brand: Wossner
• Wossner forged piston kit with a 54.04mm bore size (53.99mm actual), designed for high-performance applications. Engineered for optimal combustion chamber heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface contact, reducing localized pressure and evenly distributing thrust loads. Manufactured in Germany for durability and precision.
• Forged construction for superior strength and reliability
• Designed for efficient heat transfer to cylinder walls
• Elliptical shape prevents localized pressure and piston collapse
• Includes piston, rings (RSB5400), clips (CW15), and pin (WP032)
• Displacement: 125 cm³
• Bore: 54.04mm (actual 53.99mm)
• Stroke: 54.50mm
• Clearance: 0.05mm
• Wossner Compression Ratio: 2-stroke
• OEM Compression Ratio: 2-stroke
• Compression Height: 29.00mm
• Cross-Reference OEM Part Numbers

Vehicle fitment

Applications listed in the supplier fitment data:

• APRILIA RS 125cc — 1985–2009

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com