Saving Old Seagulls

Followed your suggestion Oyster and removed the four slotted head bolts allowing head to come off. That revealed that piston, cylinder wall, head gasket and cooling galleries all in order. Barely removed a teaspoon of oily grit from cooling jackets. Replaced head using same head gasket. Then looked ...

Following on prior post. Yesterday motor ran great in tank without issues however I had propellor off so that water pump would force cooling through engine. Today replaced prop and took to boat and under load no different than prior results, ie died after approximately three minutes. What particular...

Thanks Jacob. Took the motor home and decided to check compression which was approximately 80psi and in process realized that sparkplug had not been properly tightened. Then checked spark which seemed good. Then put all back together and ran motor in water tub and ran well..... so plan is to take it...

Thanks for further comments. Did not have a chance to look at 40 plus as am trying to get my vintage Chrysler ob going.GGGrrrrr.attached are fotos of 40plus and both motors mounted on 1972 Chrysler Charger.
Determined to leave the dock with one sound motor before summer ends

Thanks for suggesting other test and possible cause. Plan to make further efforts with motor tomorrow and let you know what I find.

Thanks for suggestions and comments and encouragement. I agree that it sounds like fuel starvation but as the motor was dying I tickled the carb which produced overflow of fuel which suggests to me that carb levels were adequate. Should also say that steady stream of cooling water flowed from head w...

Newly registered and first post. Purchased motor recently and now attemting to put into service. Fresh gasoline properly mixed at10:1 have looked at carb which appears clean and functioning and starts easily and runs approximately two minutes then slowly dies. Not out of fuel and vent on tank is ope...