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 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
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
How much doe a 1997 2 stroke johnson outboard motor weigh
Brand: NGK Plug No. BP8H-N-10 gapped at 1.0mm (0.029")