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
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 )
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 )