For a 1978 70hp Mercury motor with a blue band, a common propeller size is a 10.5 x 13 or 10.5 x 15, depending on your specific performance needs and boat type. It's essential to match the propeller pitch to optimize RPM and speed for your setup. Consider aluminum props for durability and cost-effectiveness or stainless steel for better performance and efficiency. Always consult your motor's manual or a marine specialist for the best recommendations based on your boating conditions.
A 70hp Mercury outboard, with serial number 5354187, is a 1979 year model.
according to my source 70hp motors with numbers 4825249-5128279 were made in 1978 and is a "merc 700"
I contacted Mercury Marine outboard division and they answered within a week. Very good response.
You certainly do.
The dry weight of a 1988 model, 70hp Yamaha is 233 lbs.
how much does a 1992 70hp force motor weight
The 1985 model, 70hp Mercury outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The Evinrude VRO 70hp outboard motor model E70ELCO was made in 1985. Evinrude was founded in 1907 by Ole Evinrude.
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.030
The Gap is .030
old gas or fuel mixture needs adjusting