Yamaha F80 2009

by Jamie
(Plymouth)

Engine generally starts fine and after a day on the water and sometimes after refuelling at low revs coming home can appear to mis-fire, or revs drop intermittently and has cut-out. Usually restarts thankfully.
I cannot believe all the local marinas are selling duff fuel and this is an intermittent fault as for the vast majority of the time the engine runs well, especially at cruise speeds. Had Rib-eye out to check the engine last year and on the diagnostics all was good.
Happened again last week and am stumped.
Usually occurs at low speeds when trying to moor on our fwd/aft mooring so not ideal and has occasionally cut out!
Any tips, guidance most welcome.

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