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.
An 65 hp Mercury outboard, serial number 4266564 is a 1975 year model.
A 65 hp Mercury outboard, serial number 4574019, is a 1976 year model.
A 65 hp Mercury outboard, SN 6315551 would be a 1976 year model.
A Mercury 65 hp outboard, serial number 7039331 would be a 1974 year model.
50:1
The 75 hp Mercury outboard will need a starting battery in the 650 CCA range, although, up to 1000 CCA would work just fine.
What year is Mercury Outboard with serial # 5863149
hat year is this Mercury outboard 7.5h.p seal #704818
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hat year is this mercury outboard 7.5h.p seal #704818
What year is the 8hp Mercury outboard with serial o6156590 ?
70 horse 1985 mercury outboard