It depends somewhat on the plug type/manufacturer, but .035" is the "normal" factory recommended gap.
.028"
.032" to .035"
The 1979 Honda motorcycle spark plug gap is .013. Most spark plugs will come pre-gapped from the spark plug manufacturer.
The spark plug gap on a 1999 Suzuki Intruder 1500 is 0.035 inch. This is a common spark plug gap size for motorcycles.
What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
SPARK PLUG GAP2003 Dodge Truck RAM 1500 1/2 ton 2WD 4.7L SFI 8cylThe Spark Plug Gap.040 (In thousandths of an inch)
0.035
0.035
.035 in
the gap is 35 thousandths
.040 gap for the 4.7L V8
2003 1500 Series 2wd Chevrolet Sylverado 5.3L Engine. Spark plug gap for this engine is .040.