PISTON KIT 98-02 KTM380 78.00, WOSSNER 8223DA FORGED

This Wossner piston kit with a 78.00mm bore (actual size 77.94mm) is specifically designed for KTM 380 models—EGS, EXC, and SX—from 1998 to 2002. Forged in Germany, the piston ensures outstanding strength, precise fitment, and effective thermal performance in high-displacement two-stroke engines.

Features

• Forged piston construction provides maximum strength and durability

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

• Elliptical profile ensures uniform bearing surface, minimising stress and reducing the risk of piston collapse

• Precision-engineered and manufactured in Germany

Specifications

• Bore size: 78.00 mm

• Actual piston size: 77.94 mm

• Display (cm³): 368

• Stroke (mm): 77.00

• Clearance (mm): 0.06

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

• Compression height (mm): 27.00

Vehicle Fitments

• 1998 KTM EGS 380

• 1998 KTM EXC 380

• 1998 KTM SX 380

• 1999 KTM EGS 380

• 1999 KTM EXC 380

• 1999 KTM SX 380

• 2000 KTM EGS 380

• 2000 KTM EXC 380

• 2000 KTM SX 380

• 2001 KTM EGS 380

• 2001 KTM EXC 380

• 2001 KTM SX 380

• 2002 KTM EGS 380

• 2002 KTM EXC 380

• 2002 KTM SX 380

Included Components

• Piston: Wossner PN# 8223DA

• Lock: PN# CA18

• Pin: PN# WP039

• Ring Set: PN# RSC7800