WOSSNER PISTON KIT 2010 KX250F 77mm A, WOSSNER 8778DA KAWASAKI HC 13001-0115, COMP 13.9:1

Piston kit 77mm BORE 76.96 Wossner 8778DA (STD) KAWASAKI
KX250F 2010, (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-W953.A.WO.HC (oro2u.com) Wossner Piston Kawasaki KX250F 77 mm Bore (PN# 8778DA)
Lock P/N CW16
Pin P/N WP070
Ring Set P/N 770XAS Display (cm3) 250
Hub stroke (mm) 53.60
Clearance (mm) 0.04
Wossner compression Ratio: 13.90:1
OEM Compression ratio: 13.20:1
Dome volume (cm3) -1.40
Compression height (mm) 19.60
Theorectical weight (G)
Cross reference numbers.
oem 13001-0115, wiseco 40009M, Vertex 23566, Prox01.4340, 40010M07700