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i have a 112 hp evinrude specl.it will sit for a week or so at a time at the dock .When w e go down the channel to get to lake it idles fine and we we hit the throttle to take off it sounds like it is only running on couple cylinders .somtimes it will almost shut down and stall.Ounce you get back in the throttle to take off again it will snap out of it and wont have a problem the whole day.it will start and take off like nothing ever was wrong. thinking power pac sensor??????
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What's the model number of that engine?
Normally, when a engine bogs down when throttle is applied, that indicates a clogged carburetor (Cylinder running lean), however carburetors do not come and go by themselves. If they're fouled, they stay that way until they're cleaned.
Another cause, and the most likely one is that the timer base under the flywheel which rotates to advance and retard the spark (timing) is sticking for some reason.
After the engine sits awhile.. the normal time you let it sit before this problem pops up... remove the hood, (engine NOT running)look closely at the timer base while you have a friend slowly advance the throttle.
That timer base should start advancing immediately, quite a bit before the carburetor throttle butterflies start to move. -
thank you ,somthing i can check on the trailer,ill get back to you on resultsComment
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