.030
.030
torch GL4RC or Champion J19LM
0.030-0.035
0.028-0.030"
J19lm
The correct plug gap for my Toro GTS 6.5 horse mower is 0.035
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If it is not written/stamped on the engine, and you don't know the model number of the mower, you could go by the spark plug itself. For instance, a Champion brand CJ8 spark plug is typically set to .030" Most mowers are either .025" or .030" so if you can't find it elsewhere, try one of those.
Yes
The spark plug gap for a Murray 3.5 horsepower lawn mower should be set at .030 inches. A new spark plug will come with the gap preset and should need no further adjusting.
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