Need to know the Model (Optimax, XR, Verado, etc) and a year would be helpfull too. model xr year1999
.40
0.25mm
What is the spark plug gap for a 9.9hp mercury outboard motor
The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
spark plug gap for a 1996 mercury 30 hp outboard motor?
Perhaps the spark plug system is not sending electricity to the spark plugs.
.030
NGK BPR6HS-10 spark plug. Gap is .040
.035"
.040
spark plug gap for 5.0 liter engine is 0.054 inches
champion f12