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The gap on craftsman leaf blower with the model number 358794780 can be put on two different settings. You can set it on either .030 or .032.
Spark Plug gap is .025
0.020 in or 0.50mm
.030
.030 Champion RJ19LM
.030
My 18" Sears/craftsman chainsaw manual says the spark plug hould be a champion CJ-8 with a gap of .025 inches My 18" Sears/craftsman chainsaw manual says the spark plug hould be a champion CJ-8 with a gap of .025 inches. Oh - and if it matters, the info here is from my 25 year old chain saw.
The thickness of a letter paper.
.030"
.30 gap for craftsman 3.5
.030"
.030