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post #4 of Old 04-21-2019, 10:31 PM
TobyU
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Join Date: Jun 2013
Location: Ohio
Posts: 3,244
Re: Mower misses at mid and high RPM

Looked for other new threads to see if it moved but didn't find so replying here.
Unlikely timing as mentioned above. I don't think it ws mentioned but flywheel key often comes up....it should be steel on this kohler and will not be sheared but if all else fails ....you can check it..I have seen flywheels installed with no key or it slipped out on assembly an laying on top of crankcase.

First thing: get a new plug an gap it at .028.
the spec is .030 and .035 is too wide and makes it hard on the coil to fire.
I have had more than one Command that had weak coils that would not run on .030.
.025 is fine to test it out.
Try this first. A plug can be damaged by a simple drop even in the box when new.
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