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.
im pretty sure its 50:1 but i would call a local mercury dealer just to make sure
475 pounds
The 1997 model Force/Mercury outboards require a 50:1 ratio. One pint of 2 cycle oil, to six gallons of fuel.
The plug gap for a 9.9hp Mercury outboard, ( all models ), is .035 - .040in.
The dry weight for a 1997 model, 40 hp Mercury outboard, is listed at 177 lbs.
.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.
generally speaking if it has valves its a 4 stroke 4 cycle engine......if it doesnt have valves then it is a two stroke 2 cycle...................
The 1997 model, 6 hp Yamaha outboard, requires a 50:1 ratio, 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
yes