475 pounds
The dry weight for a 1997 model, 40 hp Mercury outboard, is listed at 177 lbs.
The plug gap for a 9.9hp Mercury outboard, ( all models ), is .035 - .040in.
.040
The serial / model number sticker on a 1997 model, 25 hp Mercury outboard is located on the starboard, (right) side of the swivel bracket.
The dry weight of a 1997 Mercury 15 hp long shaft outboard motor is approximately 105 pounds (48 kg). This weight can vary slightly depending on specific configurations or additional features. Always refer to the manufacturer's specifications or documentation for the most accurate information.
The fuel / oil ratio for the 1997 model, 25 hp. Mercury outboard, would be 50:1, this is roughly one pint of 2 cycle oil, to six gallons of fuel.
The 1997 model Mercury, 225 hp EFI uses a NGK BR8HS plug, gapped to .035 in.
50 to 1
The 1997 Mercury 150 HP 2-stroke outboard motor typically weighs around 460 pounds. In comparison, the 1995 Mercury 135 HP 2-stroke outboard motor weighs approximately 400 pounds. Thus, the 150 HP model is about 60 pounds heavier than the 135 HP version.
1850 lbs.
im pretty sure its 50:1 but i would call a local mercury dealer just to make sure
50:1. 16 ounces oil to 6 gallons gas