WOSSNER PISTON KIT 05-09 CR250 66.40 B, WOSSNER 8171DB HONDA MX

Piston Kit 66.41mm Bore 66.35 Wossner 8171DB (+0.01)
HONDA
CR250R 2005 - 2007, 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-W860+00B.WO (oro2u.com)
Wossner Piston Honda CR250R 66.41 mm Bore (PN# 8171DB)
Lock P/N CW18
Pin P/N WP033
Ring Set P/N RDB6640 x 2
Rod P/N P2020 Display (cm3) 249
Hub stroke (mm) 72.00
Clearance (mm) 0.06
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3) -
Compression height (mm) 38.00
Theorectical weight (G) - 2005 Honda CR 250 R - 2006 Honda CR 250 R - 2007 Honda CR 250 R