Mick Trisum posted an answer for this Yard Machines 11A54MC006 21Inch 139cc MTD OHV Gas Powered Side Discharge:
"There isn't one, if the 139cc is made by PowerMore. On the left side of the handle is a..."
Mick Trisum posted an answer for this Mtd 22" Yard Machine Push Mower:
"On the 139cc PowerMore, I had a similar problem with the metal jacketed Spark Plug boot. ..."