PISTON KIT 01-08 KTM50 SX, WOSSNER 8225DA FORGED MX 45030007000

This Wossner forged piston kit with a 39.50mm bore is a standard size replacement for KTM SX50 models from 2001 to 2008 and KTM 50 Mini Adventure models from 2002 to 2008. Engineered for durability and efficient heat transfer, this piston is ideal for maintaining performance and reliability in small two-stroke engines. Made in Germany, it includes precision components to ensure proper fit and performance.

Features

• Forged construction provides superior strength and durability

• Designed for optimal heat transfer from the combustion chamber to the cylinder walls

• Elliptical design ensures even thrust load distribution and minimises piston collapse

• Made in Germany

Specifications

• Bore: 39.50mm

• Actual Bore: 39.46mm

• Engine Displacement: 50 cm³

• Stroke: 40.00mm

• Clearance: 0.04mm

• Compression Ratio: 2-stroke (Wossner and OEM)

• Compression Height: 21.60mm

• Lock Part Number: CW12

• Pin Part Number: WP101

• Ring Set Part Number: RSB3950

Cross-Reference OEM Part Numbers

• 45030007000

• 803M03950

Vehicle Fitments

• 2001 KTM SX50

• 2002 KTM SX50

• 2003 KTM SX50

• 2004 KTM SX50

• 2005 KTM SX50

• 2006 KTM SX50

• 2007 KTM SX50

• 2008 KTM SX50

• 2002 KTM 50 Mini Adventure

• 2003 KTM 50 Mini Adventure

• 2004 KTM 50 Mini Adventure

• 2005 KTM 50 Mini Adventure

• 2006 KTM 50 Mini Adventure

• 2007 KTM 50 Mini Adventure

• 2008 KTM 50 Mini Adventure