The serial number OC111736 for a Mercury 15hp outboard motor indicates that it was manufactured in 1981. Mercury outboard motors typically use a coding system where the first letter represents the year of manufacture, and "O" corresponds to 1981 in this case. For precise confirmation, you can also contact a Mercury dealer or refer to an official Mercury outboard serial number guide.
Your 15 hp Johnson is a 1982 year model.
an evinrude MODEL number 15404s was built in 1974
A 15hp mercury requires a fuel to oil ratio of 50:1, roughly one pint of 2 cycle oil, to six gallons of gasoline.
The 15HP Mariner outboard with the serial number OC263209 was produced in 1997. Mariner outboards are typically manufactured in Japan, as they are a brand associated with Yamaha Motors, which has facilities there. To confirm the exact age of your engine, it’s a good idea to cross-reference the serial number with specific production records from Mariner or Yamaha.
50 to 1
To find the year of manufacture for a Mariner 15HP outboard motor, locate the serial number, which is typically found on a plate attached to the transom bracket or the engine's mounting bracket. Once you have the serial number, you can refer to Mariner's production date charts or contact a Mariner dealer for assistance. Additionally, checking online forums or resources dedicated to outboard motors may provide insights based on the serial number.
To determine the year of your Evinrude 15hp model, you can check the serial number located on the engine's transom bracket or the manufacturer's plate. Evinrude typically uses a coding system where the first two digits of the serial number indicate the year of manufacture. Additionally, you can consult Evinrude's official documentation or online resources for more specific identification based on the model number.
thats the same engine and same weight.
The model year is 1985 and the fuel ratio is 50:1
You can get it here: http://www.selffixer.com/outboard.motors/mercury/1986plus.Mercury.6-8-9.9-15HP.2-Stroke.Service.Manual.htm
The 15 horsepower Mercury outboard motor does not have a water pump. The outboard motor is air cooled and does not have a need for circulating water.