WOSSNER 100mm FORGED PISTON KIT A, YAMAHA XT660R/X/Z, MT-03 (660) 06-11

Piston kit 100mm Bore 99.95 Wossner 8617DA (STD)

YAMAHA
XT660R 2004-2017

• Wossner forged pistons are superior in strength and design.
• Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.
• Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.
• Made in Germany

Part No. 56-W203.A.WO
Wossner Piston Yamaha XT660R (PN# 8617DA)
Lock P/N CW23
Pin P/N WP024
Ring Set P/N 1000XSY-3

Display (cm3) 660
Hub stroke (mm) 84.00
Clearance (mm) 0.05
Wossner compression Ratio: 10.70:1
OEM Compression ratio: 10.00:1
Dome volume (cm3) -0.30
Compression height (mm)27.50
Theorectical weight (G)

Cross reference numbers ONLY.
 5VK1163100, 5VK1160300, 5VK1163300, 5VK1163300,

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.