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Hey guys I have an E 70 mid 90's motor strapped to the back of my 15' Raycraft and am having a little trouble. It starts and idles real smooth, I can pick it up into a high idle as high as it will go and it does fine too. For the past few months it has been doing good all around. The problem now is when I put it in gear and start dropping the hammer it begins to pick up speed until it is halfway and then boggs down and dies. It starts right up and will do it over and over without fail. Out of the water with some engine muffs on it will rev all the way up in gear. Any Ideas before I start in on the carbs? I have pulled a fuel sample and have a good light mix color, all plugs firing good and has good compression. I will probably start with the carbs and see how it goes.
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70 HP 1994 3 Cylinder Outboard
I have a 70 HP 94 Outboard. I have changed the intake seal, I have cleaned the carbs. I have checked the linkage and it looks fine. They all move at the same time.
The problem I am having is that at 1500 rpms I can cruise forever. As soon as I drop under about 1500 rpms the motor seems to start choking and then stalls.
My idle rpms are about 1200 which I know is higher than usual in water. I was wonder which of the 3 idle screws should I try to adjust first. I put it in the water today and cranked it. I ran it out in the middle of the lake at 34 mph with no issues.
I took the cover off and started playing with the screws but it would really cut off before I could really play with the screws. If I pull up the idle switch and let it idle can I adjust the idle screws that way? I am having problems when at the dock keeping the motor running because I think of the high idle problem. I just put new plugs in and the gas is all good and ethanol free. I am mixing 27 oz of oil to 9 gallons of gas. Which is 50:1 ratio.
I just need some input if I should play with the top screw or the bottom screw or even the middle screw first.
Any help would be appriecated.Comment
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