Chainsaws & Outdoor Power EquipmentWhat does a clogged spark arrestor screen in a chainsaw muffler cause?92%Next Correct IncorrectExcessive exhaust backpressure that prevents the engine from revving up to full throttle, causing bogging, overheating, and sudden stall under load.What does a clogged spark arrestor screen in a chainsaw muffler cause?Exhaust backpressure restricts airflow, causing poor acceleration, bogging, and overheating under loadThe oil tank will run dryThe chainsaw will shoot flames out the mufflerThe chain will spin backwards92%Back To Top
