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View Full Version : 2.5 200 loss of power with fresh build



Fishbum
08-10-2017, 03:31 PM
Trying to get some info. Have a 2000 200efi with fresh complete build.
stock except reeds. I had a 1994 200 carb engine that I just replaced.
Boldted up in exactly the same place. This is a outboard jet! Using the same jet pump. I was tuning 52-5300 at wot with the carb motor. And now only 4700.
I am pretty sure the carb engine was stock except reeds also. It ran about 115-118 compression. I have herd a tight engine can do this for awhile but didn't know that much difference? I am sure the timing was held down a little on the fresh engine.
But not that much. Normal? Really need to turn this pump up to 5500 to make it right
thanks.

roadkill636
08-10-2017, 04:10 PM
What was your "break in" process??

Fishbum
08-10-2017, 04:22 PM
Ran 30-1 for about 60-70 gal of fuel
tried to keep at or under 4000 rpm
would run that for a little bit then down to 2500-3000
and stop then up again. That is where I am right now
last time out would run up to full for just a little and down
for a jet rig it is heavy!