Honda EG5000X Owner's Manual page 41

Problems That May Affect Emissions
If you are aw are of any of the follow ing sym ptom s, have your engine
inspected and repaired by your servicing dealer.
Hard starting or stalling after starting.
Rough idle.
M isfiring or backfiring under load.
Afterburning (backfiring).
Black exhaust sm oke or high fuel consum ption.
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