PISTON KIT 09-20 SX50 39.5mm A, WOSSNER 8262DA KTM MX 45230015000

This Wossner forged piston kit with a 39.50mm bore is a standard size replacement for KTM SX50 models from 2009 to 2020 and Husqvarna TC50 models from 2017 to 2020. Designed for performance and durability in small-displacement two-stroke engines, the piston is manufactured in Germany and features advanced engineering for optimal thermal transfer and load distribution.

Features

• Forged construction ensures superior strength and resistance to high loads

• Designed to maximise heat transfer from combustion chamber to cylinder walls

• Elliptical profile distributes pressure evenly, reducing risk of 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: RSB2950

• Rod Part Number: P2053

Cross-Reference OEM Part Numbers

• 45230007000 I

• 45230038000

• 09104899

• 874M03950

• 45230015000

Vehicle Fitments

• 2009–2020 KTM SX50

• 2017–2020 Husqvarna TC50