What is the right replacement spark plug for this mower
What is the right replacement spark plug
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What is the right replacement spark plug
Is this a good question?
@jefftodd for a 917.370910 the Sears recommended plug is a Champion RJ2YXLE gapped at .030"
Briggs and Stratton uses the B&S 591868 which is a Champion RJ19LM (868). Either one of those will work. Yes, others too for as long as they cross reference to the Champion plugs.
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What about 917.385270
@martinlarajr that uses a RJ19LM as well
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