WOSSNER PISTON KIT 10-13 CRF250 76.80, 8775DB WOSSNER HONDA

Piston kit 76.81mm BORE 76.77 Wossner 8775DB (+0.01mm) HONDA
CRF250R 2010 - 2013, (2 Rings) 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-W950.B.WO (oro2u.com) 8775DB Wossner Piston Honda CRF250 76.77 mm Bore (PN# 8775DB)
Lock P/N CW16
Pin P/N WP070
Ring Set P/N 768XAS Display (cm3) 249
Hub stroke (mm) 53.80
Clearance (mm) 0.04
Wossner compression Ratio: 14.20:1
OEM Compression ratio: 13.20:1
Dome volume (cm3) +0.10
Compression height (mm) 29.00
Theorectical weight (G) 19.50 - 2010 Honda CRF 250
- 2011 Honda CRF 250
- 2012 Honda CRF 250
- 2013 Honda CRF 250