Check the Vehicle Emissions Control Information ( VECI ) decal
located in the front of the engine compartment ( it will show what
type of spark plugs to use and the spark plug gap )
The number 1 spark plug is left side.If you were looking at the engine from the front to the back and is the first one on the left.
is 54 gap for a spark plug mercury mountanier 2002 4.6
On a 1997 to 2001 Mercury Mountaineer : Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment . It shows what type of spark plug to use and the spark plug gap
blown head or cracked block
spark plug gap for 5.0 liter engine is 0.054 inches
The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
What is the correct spark plug gap setting for a Mercury outboard 2003 200 HP EFI
1.3 to 1.4 mm ( .052 to .056 inch )
Check the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment . It will show what type of spark plug to use and the spark plug gap
Check the Vehicle Emission Control Information ( VECI ) decal located in the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
.052 to .056 inch ( 1.3 to 1.4 mm )