Oil Seal size 18.9*30*5. Fits the following Honda models on the alternator side of the crankshaft:

• CRF50F - 2004-2016
• XR50R - 2000-2003
• Z50K Mini Trail - 1968-1975
• Z50A Mini Trail - 1976-1978
• Z50R Mini Trail - 1979-1999
• S65 Sport - 1965-1969
• ATC70 - 1973-1985
• CL70K Scrambler - 1969-1973
• CT70HK Trail - 1970-1973
• CT70K Trail - 1969-1994
• CRF70F - 2004-2012
• SL70K Motosport - 1971-1973
• XL70K - 1974-1976
• XR70R - 1997-2003
• TRX90 - 1993-2005

Specs

• Inner Diameter: 19.8mm
• Outer Diameter: 30mm
• Thickness: 5mm
• Honda OEM Number: 91201-035-015