1994 evinrude 120 engine bogs out

[steve in va]

my 94 evinrude 120hp motor is bogging out and nobody can figure out why. i have had the boat for 5 yrs and no problems at all untill now. i was running wide open when the motor just shut down. put it in nuetral started fine, goes into gear and runs fine untill you put a load on it(about 1500rpm or higher) then it runs rough like it's choking out, but if you pull it back in nuetral it clears up. i drained all fuel and changed all filters , added 2 cans of sea foam and 2 bottles of heet to 45 gals of fresh gas took it out and it ran great for 1 hour then shut down again. boat is in shop, now they ran it wide open on dyno and it didn't act up so now they are sending all electronics(stator, power pack etc...) to be tested, it will be a week or so before i get results does anyone have any idea at all? the shop is raping me at 95 per hour and they say they can't fix it unless it is acting up please help steve

 

[CharlieB]

Re: 1994 evinrude 120 engine bogs out

Get your motor back from them before they finish draining your bank account.

Without changing anything take your boat for a long test run, but leave the motor cover at the dock, or inside the boat.

If the ignition module is overheating and beginning to breakdown with temp/load then leaving the motor cover off will allow additional cooling and it should run fine.

THEN plan on replacing the ignition module.

If the stator is failing then you'll still end up dead in the water. Take along a partner and a spare paddle.

 

[steve in va]

Re: 1994 evinrude 120 engine bogs out

hey charlie thanks for the words, but it's too late im broke ha ha they will have the boat for another week or so untill they get the parts back and are tested... so you think it might be the ignition module? would that be in the pile of crap they are sending off to be tested? i am really getting nervous not knowing what the problem is. if they say electrical is good i will try to run it with cover off to see if that makes a difference... would that cause it to feel like a fuel issue, when it is acting up it always starts and goes into gear but trying to accelerate falls back down thanks steve