PISTON KIT 00-07 KTM520 525 96, WOSSNER 8547D100 BETA RR525

Wossner forged piston kit designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability.

Features

• Forged piston for enhanced strength and durability
• Optimized heat transfer to cylinder walls for improved performance
• Elliptical design for even thrust load distribution
• Manufactured in Germany

Specifications

• Bore Size: 96mm
• Actual Bore: 95.95mm
• Display (cm³): 510
• Stroke (mm): 54.80
• Clearance (mm): 0.04
• Wossner Compression Ratio: 12.90:1
• OEM Compression Ratio: 12.80:1
• Dome Volume (cm³): 1.20
• Compression Height (mm): 19.50
• Theoretical Weight: N/A
• Lock Part Number: CW20
• Pin Part Number: WP038
• Ring Set Part Number: 960ADS-23
• Part Number: 56-W4731_100.WO

Vehicle Fitments

• Beta RR525 2005-2009
• KTM EXC520 2000-2002
• KTM SX520 2000-2002
• KTM SX-EXC 525 Racing 2003-2007

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex