Piston Kit KTM 400 76-81 82.50, Wossner 8293D050 KTM 390

Piston Kit Wossner 8293D050 (+0.50mm)

Manufacturer: Wossner

Applications:

KTM

• GS / MC 390 / 400 (1976-1981)

Yamaha

• YZF R6 (2006-2011)

Specifications:

• Bore: 82.50mm (Actual: 82.40mm)
• Display:
  • KTM GS / MC 390: 389cm3
  • KTM GS / MC 400: 355cm3
• Hub Stroke: 74.00mm
• Clearance: 0.10mm
• Wossner Compression Ratio: Not specified
• OEM Compression Ratio: Not specified
• Dome Volume: Not specified
• Compression Height: 37.70mm
• Theoretical Weight: Not specified

Features:

• Wossner forged pistons are engineered for superior strength and design.
• Designed to optimize combustion chamber heat transfer to cylinder walls.
• Elliptically designed to ensure a more uniform bearing surface under piston heat expansion, thus preventing piston collapse.
• Made in Germany.

This piston kit is designed for KTM GS / MC 390 / 400 models from 1976 to 1981 and Yamaha YZF R6 models from 2006 to 2011. It includes piston rings, clips, and piston pin.