Evinrude 115 ficht, Missfire

[blueboy758]

as above my ficht always starts and is totally fine untill i want to give it WOT then the engine seems to missfire.
i've had new plugs, filters and changed petrol stations (bad fuel) but it still happens, could it just be startved of fuel?? is there a minimum size fuel line that should be on this motor??

thank you

Phil

[Pikey Dave]

3\8 id fuel line. Could be a plug lead or coil breaking down. You need to get the diagnostic software & laptop on it & drop the cylinders out one at a time to see which is the culprit.

[Hightower]

Could be an injector

Do as Pikey says and get it checked out using the diagnostic software, laptop and someone who knows how to use it otherwise it could be costly.

[stormytom]

Could be carbon build up in cylinders.