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1988 OMC 115 SEADRIVE

W

woods101

New member
The motor seems to idle fine.

The motor seems to idle fine. At WOT it will run fine for about a 1/2 mile. Then it starts missing and falls on its face.??

iTS DRIVING ME NUTS..NEED A GOOD IDEA
 
fuel line restriction? is the

fuel line restriction? is the fuel line big enough for wot?
Tank vent clear?
anti siphon valve...
 
Tank vent is clear. i would s

Tank vent is clear. i would say that the fuel line is big enough it worked before with no problem.

OK after it starts missing it will not act any better if i get off the trottle / pump the ball/ it will still continue to miss.

So basically the first 5 minutes idling out a channel then open it up it falls on its face then continues to run like crap.
 
"If you can, try hooking up a

"If you can, try hooking up a portable tank, this will elminate the vent, AS valve, clogged pickup in the tank. I've seen those pump bulbs fail with a pin hole or crack, causes the engine to suck air and run too lean."
 
"because the ignition is just

"because the ignition is just as important at idle as WOT.
at WOT, the motor needs maximum fuel.

Also... here in the i/o forum... we tend to not know a lot about outboard ignition systems...


You might want to see what they say in the Johnson/Evinrude outboard forum here."
 
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