Per Service Manual - Spark Plug Gap is .040" - Plug is Champion L77J4
Fuel Mix is 50:1 or 12 gallons Gas to 1 quart TC-W Outboard Motor Oil
50:1
The 1975 year model, 100 hp Evinrude, requires a 50:1 fuel to oil ratio.
The listed air gap for this engine is .030 in.
50:to1
1975
Jew
1975 Long shaft
Is there a shear on a 1975 mercury 200 (20hp) outboard motor
1975-76.
50:1
50:1
40:1