.040
The plug gap for a 9.9hp Mercury outboard, ( all models ), is .035 - .040in.
The 1997 model Mercury, 225 hp EFI uses a NGK BR8HS plug, gapped to .035 in.
The serial / model number sticker on a 1997 model, 25 hp Mercury outboard is located on the starboard, (right) side of the swivel bracket.
50 to 1
Brand: NGK Plug No. BP8H-N-10 gapped at 1.0mm (0.029")
50:1. 16 ounces oil to 6 gallons gas
im pretty sure its 50:1 but i would call a local mercury dealer just to make sure
475 pounds
The dry weight for a 1997 model, 40 hp Mercury outboard, is listed at 177 lbs.
location of relay blower motor 1997 Mercury mystique
what is the spark plugs firing order for a mercury villager 1997
A 1997 Mercury Sable has ( 6 ) spark plugs There were two 3.0 L V6 engines offered , the " Vulcan " and the " Duratec "