The motor has an intake that sucks water in to keep the engine cool and then shoots it out. Much like a car but a car has a closed system. Some boats have closed systems also especially if they are used in salt watwer as salt water is corrosive. Hope this helps...
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.
To determine the age of a Mercury outboard, you will need to know the engine serial number, and the horsepower rating.
The 75 hp Mercury outboard will need a starting battery in the 650 CCA range, although, up to 1000 CCA would work just fine.
try oldmercs.com you should be able to find a manual there
you need a minimum of 87 octane gas
For the 80 hp Mercury, you may use any brand of gear oil that has been blended for use as an outboard motor gear lube. There are many brands available other than oem, and are specially formulated for outboard use.
In order to find the year model of a Mercury outboard, you will need to know both the engine serial number, and the horsepower rating.
Need to know if its 2 or 4 cycle.
Yes everything I tried been to big
you can't disconnect it! you will only need to pre-mix your gaz in your gaz thank and eventually your injector pump will burn out !
Self employed marine operators, usually having ads in weekly want ads or yellow page listings under boats/marine operations. If not comfortable in that, then then the dealership, such as mercury is a top brand too inboard/outboard motors. Depends on your boat, and rather it need an inboard/outboard, and if an outboard, then rather it need too be a long or short shafted motor.
The 110 model, 9.8 hp Mercury outboard, requires 3 oz of 2 cycle oil per gallon of fuel.