1973 OMC Stern Drive Models Where can I find my model number? 100 990206F 990206S 120 990207F 990207S 990215F 990215S 140 990216F 990216S 990217F 990217S 165 990210F 990210S 990218F 990218S 225 990211F 990211S 245 990212F 990212S
