The 1977 model, 70 hp Evinrude outboard requires an NGK BZ7HS-10, or a Champion QL77JC4 Plug gapped to .030 in.
The Gap is .030
The Evinrude VRO 70hp outboard motor model E70ELCO was made in 1985. Evinrude was founded in 1907 by Ole Evinrude.
50:1
Looks like you get to choose from these (depending on the year) Look at this chart & lots of great info here: http://www.maxrules.com/OMCplugchart.html
The 1981 model, 70 hp Evinrude, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The spark plugs on a 1988 model, 70hp Johnson outboard, should be gapped to .030in.
110
A 70hp Mercury outboard, with serial number 5354187, is a 1979 year model.
240 inch pound
The dry weight of a 1988 model, 70hp Yamaha is 233 lbs.
how much does a 1992 70hp force motor weight
.030