WOSSNER PISTON 94-08 KTM620 640 101 A, FORGED WOSSNER KIT 8524DA

Piston kit 101mm Bore 100.94 Wossner 8524DA  (STD) KTM
620 / 625 / 640LCA / SX / Duke / Supermoto 1994 - 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-W181.A (oro2u.com)
Wossner Piston KTM 620LC4 101 mm Bore (PN# 8524DA)
Lock P/N CW22
Pin P/N WP009
Ring Set P/N 1010XSY Display (cm3) 600
Hub stroke (mm) 76.00
Clearance (mm) 0.06
Wossner compression Ratio: OEM
OEM Compression ratio: 11.70:1
Dome volume (cm3) +7.60
Compression height (mm) 26.50
Theorectical weight (G) Cross reference numbers ONLY.
7849M10100 0 620LC4 1994 1997 4-stroke KTM 620LC4 1994 1997 4-stroke KTM 620LC4 1994 1997 4-stroke KTM 620LC4 1994 1997 4-stroke KTM 620Duke 1994 1997 4-stroke KTM 620Duke 1994 1997 4-stroke KTM 620Duke 1994 1997 4-stroke KTM 620Duke 1994 1997 4-stroke KTM 620SC 1998 2001 4-stroke KTM 620SC 1998 2001 4-stroke KTM 620SC 1998 2001 4-stroke KTM 620SC 1998 2001 4-stroke KTM 625SXC 2002 2007 4-stroke KTM 625SXC 2002 2007 4-stroke KTM 625SXC 2002 2007 4-stroke KTM 625SXC 2002 2007 4-stroke KTM 640LC4 1998 2007 4-stroke KTM 640LC4 1998 2007 4-stroke KTM 640LC4 1998 2007 4-stroke KTM 640LC4 1998 2007 4-stroke KTM 660SMC 2003 2009 4-stroke