Removing carbon from heads and pistons.
Surely this is RV related since it is cutting into my recreational time. :h My 2 cyl opposed Briggs in the lawn tractor has progressively gotten noisier. It was knocking sort of like the same musi...
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x3 on the Sea Foam plus put some in the oil, run for 20 min then change oil. Put Sea Foam in gas, fairly heavy mixture, you have carbon on the back of the valves and in the muffler also.
JimL
JimL
