WOSSNER PISTON KIT 86-04 XR250 73.50, FORGED WOSSNER 8793D050

Piston Kit 73.50mm Bore 73.44 WOSSNER 8793D050 (+0.50)   HONDA
XR250 1986-2004,
XL250 1991 - 1996, 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-W4466+050.WO (oro2u.com)
Wossner Piston O/S +0.50mm 73.50mm Bore 8793D050
Replacment parts:
Lock P/N CW17
Pin P/N WP090
Ring Set P/N 735XDS Hub stroke (mm) 59.50
Clearance (mm) 0.06
Wossner compression Ratio: 10.50:1
OEM Compression ratio: 9.30:1
Dome volume (cm3) +6.00
Compression height (mm) 25.00
Theorectical weight (G)
  Cross Reference Numbers Only:
RING SET, PISTON (STD) (NIPPON) 13011-KCZ-305 ,
RING SET, PISTON (OVER SIZE) (0.25) 13012-KCE-305 ,
RING SET, PISTON (OVER SIZE) (0.50) 13013-KCE-305 ,
PISTON 13101-KCE-670 ,
PISTON (OVER SIZE) (0.25) 13102-KCE-305 ,
PISTON (OVER SIZE) (0.50) 13103-KCE-305 ,
PIN, PISTON 13111-KK0-000 , 1986 Honda XR 250 1987 Honda XR 250 1988 Honda XR 250 1989 Honda XR 250 1990 Honda XR 250 1991 Honda XL 250 1991 Honda XR 250 1992 Honda XL 250 1992 Honda XR 250 1993 Honda XL 250 1993 Honda XR 250 1994 Honda XL 250 1994 Honda XR 250 1995 Honda XL 250 1995 Honda XR 250 1996 Honda XL 250 1996 Honda XR 250