1978
A 15804b is a 1978 motor.
The Evinrude VRO 70hp outboard motor model E70ELCO was made in 1985. Evinrude was founded in 1907 by Ole Evinrude.
1992 E30RENR 1992 Evinrude / Johnson Evinrude
A 40 hp Evinrude, model number E40TELCO, is a 1985 year model.
The year model of an Evinrude outboard cannot be determined from the serial number, but rather from the model number.
Your motor is a 1955 model.
The Evinrude outboard motor model E10RC0M is from the year 1995. The model designation includes a letter code that indicates the year of manufacture, where "R" corresponds to 1995 in Evinrude's coding system.
An Evinrude outboard, model number CE8RCEC is a 1989 model, 8 hp.
An Evinrude outboard, model number E185TXCRS would be a 1984 model, 185 hp.
An Evinrude outboard, model number 35853R, would be a 1978 model, 35 hp.
88
The horsepower for an Evinrude outboard, can be determined from the engine model number.