110
The Evinrude VRO 70hp outboard motor model E70ELCO was made in 1985. Evinrude was founded in 1907 by Ole Evinrude.
240 inch pound
50:1
The Gap is .030
Fuel to oil ratio on this engine is 50:1
The 1977 model, 70 hp Evinrude outboard requires an NGK BZ7HS-10, or a Champion QL77JC4 Plug gapped to .030 in.
The 1981 model, 70 hp Evinrude, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
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
3 things are required. air, fuel, and ignition. check plug. if wet, change plug. if dry, check for fuel issue. if there is no spark, check ignition system. easy. =)
The plug gap for a 70 Johnson would be .035 - .040.
i have a 70hp mercury outboard older late 70's model and the cylinder compression is 135 across the board. it shouldnt be below 100 psi and not more that 15 between any 2 cylinders
The dry weight of a 1988 model, 70hp Yamaha is 233 lbs.