buy the owners manual, the sportsman 600 & 700 should use rc7yc and they should be gaped at .035" (.90 mm)
0.80
1mm
All spark plug gaps are adjustable.
spark plug FR7DC2 set gap 0.9mm
.044
spark plugs are either not put in right or gaps not right.Also check your spark plug wires.
.054 inch , according to fordparts.com
by spark gaps immersed in the oil sample
oem is .035 on the l6 4liter model
When replacing the spark plugs it is important to know the size of the gap. The spark plug gaps on a 2000 Kia Sephia is .044 inches.
Transformers Primary Coils Capacitors Spark Gaps Secondary Coils Toploads
All V8 Chevy plug gaps in 1977 was factory .045