WOSSNER 73.5mm FORGED PISTON KIT YAMAHA TT-R250 1996-2009

Piston Kit 73.50mm Bore 73.45 Wossner 8646D050 (+0.50)

YAMAHA TTR 250 1996-2009

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.

• Lock P/N: CW18
• Pin P/N: WP031
• Ring Set P/N: 735XDS

Specifications:

• Display (cm3): 124
• Hub Stroke (mm): 59.60
• Clearance (mm): 0.05
• Wossner Compression Ratio: OEM
• OEM Compression Ratio: 10.20:1
• Dome Volume (cm3): +1.40
• Compression Height (mm): 23.60
• Theoretical Weight (G):

Compatible Models:

• 1997-2003 Yamaha TTR 250