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im getting a lack of power on my 1990 150. it can only get to about 3600rpms all of a sudden. it also gets "full power spurts" for split seconds at a time. it has spark all around and perfect compression. i pulled the carbs and they dont look too bad (im gonna clean and rebuild them anyways) and the reeds look perfect also.
it seems to be the bottom cylinders in each bank. because when i pull those plugs when running it doesnt change how the motor runs. also there is little or no vacuum when feeling the throat of the carb.
what else can cause this kind of thing. seems i basically have 2 dead cylinders.
it seems to be the bottom cylinders in each bank. because when i pull those plugs when running it doesnt change how the motor runs. also there is little or no vacuum when feeling the throat of the carb.
what else can cause this kind of thing. seems i basically have 2 dead cylinders.
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