Home › Forum › Ask A Member › Evinrude Fastwin 18 Bogging at high speed › Reply To: Evinrude Fastwin 18 Bogging at high speed
July 8, 2024 at 9:39 pm
#288985
I would check to see if you are loosing spark on one cylinder. Check with an in-line spark checker. Or; after it runs bogged as you describe….take a digital thermometer and check cylinder head temps top and bottom.