No , not according to the Gates website ( they make timing belts etc . )
20/1
The 1977 model, 20 hp Mercury outboard, requires a 50:1 fuel to oil ratio.
The dry weight for a 1988 model, 20 hp Mercury outboard is 105 lbs.
Pump, fuse, or fuel pump relay.
The 20 hp Mercury outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
The Mercury 200 20 HP outboard motor with serial number 3667639 was manufactured in 1985. Mercury outboard serial numbers can often be used to determine the production year, and this particular number falls within that timeframe.
50:1. 16 ounces oil to 6 gallons gas
the 20hp Mercury outboard motor runs at the most at 8mph on a good 14ft to 16ft aluminum boat. Mercury.co
The weight of a 1979 70 HP Mercury outboard with 20 inch shaft, power tilt and trim is 239 pounds. I would expect the somewhat newer motor to weigh about 5-10 pounds more. Hope this helps.
To determine the age of a Mercury 20 HP outboard motor with the model number 1497-8793, you would need to check the serial number, which typically provides the manufacturing year. Mercury often uses a specific numbering system that can help identify the year of production. If you have access to the serial number, you can consult Mercury's official resources or a dealer for precise information.
The 1999 Mercury Mystique wiper blade sizes are 22" drivers and 20" passenger side wiper blades. See Sources and Related Links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
If it runs perfectly, starts easy, etc, probably around $700-$1000. If something is broke and/it is missing parts or incomplete, $200-$400 as a parts motor.