1968 - 1974: 0.035 inch
1975: 0.060 inch
1976 - 1980: 0.045 inch
1980 - 1981: listed on the vehicle's Emissions Control Information label
Spark plug gap for a 1977 Corvette using ACDelco R45TS is .035
1978 Chevrolet Corvette 5.7L 4BL OHV 8cylThe Spark Plug Gap.045 (In thousandths of an inch)
What is the spark plug gap for a 9.9hp mercury outboard motor
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The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
NGK BPR6HS-10 spark plug. Gap is .040
Johnson 6hp spark plug gap
If it has the 3.8L motor, then the spark plug gap is .060. If it is the 5.7L motor, then the gap is .050 (unless you are using AC rapidfire plugs, then it is also the .060 gap).
The recommended spark plug gap (per NGK) is .039"
spark plug gap for a 1996 mercury 30 hp outboard motor?
spark plug gap for 5.0 liter engine is 0.054 inches
The spark plug gap for most Yamaha outboards is around .030 - 0.035in.