As long as the engine does not exceed the vessels maximum horsepower rating, it should be fine. The age of the motor, other than the condition of it, would not be a factor. The engine shaft length on the 115 is standard 20 in.
1978 80 Mercury Outboard IDLE ADJUSTMENT
The mercury switch installed on your engine is designed to short out the ignition to ground when the engine is tilted out of the water. The intended purpose is as a safety feature in the event of striking an under water obstruction during operation.
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
A Mercury outboard water pump is a engine cooling system. A outboard water pump is what blows steam through to get the car cool,
To determine the age of a Mercury outboard, you will need to know the engine serial number, and the horsepower rating.
The value of a 50 hp Mercury, or any other outboard, is largely dependant on the age of the engine.
A 9.8 hp Mercury outboard, serial number 4020915, would be a 1974 year model.
To find the year model of a Mercury outboard, both the serial number, and the horsepower of the engine, are needed.
You have to check with the serial number that is on the engine.
For the Mercury 9.9 Two Stroke Engine it is 50:1...
In addition to the serial number, the horsepower of the engine in question must be known to determine the year model of a Mercury outboard.
In addition to the engine serial number, the horsepower rating is needed to determine the year model for a Mercury outboard.