WOSSNER PISTON KIT 78-80 CR250 70.00, FORGED WOSSNER 8154DA, ATC250R 81-84

Piston Kit. 70.00mm Bore 69.94 Wossner 8154DA (STD) HONDA MX
CR250R 1978-1980,
HONDA ATV
ATC250R 1981-1984, 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-W431+P0.WO (oro2u.com)
Lock P/N CW18
Pin P/N WP033
Ring Set P/N RSB7000 Display (cm3) 123
Hub stroke (mm) 64.40
Clearance (mm) 0.06
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3)
Compression height (mm) 32.50
Theorectical weight (G) Cross reference numbers ONLY.
13100-467-000, 09104851       , 431M07000 Honda 1984 Honda ATC250R 1983 Honda ATC250R 1982 Honda ATC250R 1981 Honda ATC250R 1980 Honda CR250R Elsinore 1979 Honda CR250R Elsinore 1978 Honda CR250R Elsinore
1978 Honda CR 250 R 1979 Honda CR 250 R 1980 Honda CR 250 R
1981 Honda ATC 250R 1982 Honda ATC 250R 1983 Honda ATC 250R 1984 Honda ATC 250R