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Evinrude lean sneeze #13085415 03/07/19 10:58 PM
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PlanoPaul Offline OP
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The motor is a 1984 Evinrude 235, dinosaur I know.... Motor is in great condition for its age and runs flawless except for one issue that I cant figure out. Any time I trim the motor up past level(while idling) its starts to lean sneeze and will eventually die if I dont prime/choke it. It only does this at idle. I can run across the lake and trim it up as much as I want and it doesnt skip a beat. And if I leave it trimmed all the way down, it will idle all day long without a single issue. I feel like this must be a float setting issue in the carburetors, but ive double checked them and they are correct. Or is this just a characteristic of an old carbureted motor? Any thoughts or ideas would be greatly appreciated!

Re: Evinrude lean sneeze [Re: PlanoPaul] #13085431 03/07/19 11:23 PM
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Alumacraft 14 Offline
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I'd start with looking for a fuel line leak when motor is trimmed to the problem. Could be suckimg air.

Re: Evinrude lean sneeze [Re: PlanoPaul] #13085868 03/08/19 01:39 PM
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lloyd Offline
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You need to change the idle air jets that are located in the top of the inside of the throat on each cylinder. You need to go four to six sizes smaller which will give it more fuel at idle and normally take the lean cough out of it

Re: Evinrude lean sneeze [Re: PlanoPaul] #13086042 03/08/19 03:28 PM
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spankyttx Online Content
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have you checked your fuel pump diaphragms. do you have the hp pumps?.


LI-SI-WI-NWI
Re: Evinrude lean sneeze [Re: PlanoPaul] #13086067 03/08/19 03:42 PM
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boatman025 Offline
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Sound like it need reed gaskets and intake gaskets


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: Evinrude lean sneeze [Re: PlanoPaul] #13086564 03/08/19 11:18 PM
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PlanoPaul Offline OP
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Thanks for taking the time to reply guys. Will look into this stuff!

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