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150 Evinrude Intruder

C

Chinatown317

Contributing Member
Hey guys....
I have posted this issue before w/o any solutions.
My motor cranks and idols fine
Planes off easy and will run 35-39 mph flawlessly, guessing this is about 75% throttle.
If i press on the pedal all the way, the motor rpms go up and then it nearly stalls at 41-42 mph like clockwork.

Any ideas or suggestions are appreciated!
 
I'd do a link and sync to see if the WOT timing is correct. Could be over advancing. Have you tried pumping the primer bulb when this happens? Possible fuel pump starting to fail.
 
Oldsaltydog said:
I'd do a link and sync to see if the WOT timing is correct. Could be over advancing. Have you tried pumping the primer bulb when this happens? Possible fuel pump starting to fail.
Click to expand...
This is what is confusing to me, a few trips, maybe 4 or 5 out of 20, it has run perfectly fine at WOT w zero issues.... i have went thru the fuel system and nearly everything is new.......
 
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