PISTON KIT 03-04 YZF450 95 HC, FORGED WOSSNER 8570DB

Piston kit 95.01mm Bore 94.97 Wossner 8570DB (+0.01)

YAMAHA
YZ450F 2003 - 2004,
WR450F 2003- 2004,
(HIGH COMPRESSION)

• 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-W4785.B.WO.HC (oro2u.com)
(8570DB) 94.97mm +0.01 oversize (95.01mm)
Clip Part no CW18
Pin Part No WP053
Ring Part no 950ADS-2

Display (cm3) 449
Hub stroke (mm) 63.40
Clearance (mm) 0.04
Wossner compression Ratio: OEM
OEM Compression ratio: 12.50:1
Dome volume (cm3) -7.80
Compression height (mm) 23.50
Theorectical weight (G)