1966...<br /> http://www.screamandfly.com/home/multimedia/brochures/mercury_consumer/Mercury_1966_Outboards.pdf <br /><br />1975...<br /> http://www.screamandfly.com/home/multimedia/brochures/mercury_consumer/Mercury_1975_Outboards.pdf <br /><br />1998...<br /> http://www.screamandfly.com/home/multimedia/brochures/mercury_consumer/Mercury_1998_Outboards.pdf