The dry weight for a 1993 model, 20 hp Mariner outboard is 112 lbs.
50 to 1
About 17kg.
Along with the engine serial number, the horsepower rating is needed to detemine the year model for a Mariner outboard.
398lbs +prop and oil,gear lube 446lbs
The fuel oil ratio for a 140 hp Mariner outboard motor is 50:1. Mariner is a brand of the Mercury Marine company.
1998
it advances the power as you rev higher
1991
1990
yes
I always run my 2 cycle outboards at a 50 to 1 ratio. also be sure you are using outboard 2 cycle. not all 2cycle oil is the same!