Does not runat full throttle

csisommout

Petty Officer 1st Class
Joined
Nov 17, 2008
Messages
231
Hell, Anyone

I have 1964 evinrude 2 cylinder 28hp. I rebuilt carburator, I took a boat out for testing Saturday. It idles perfect, but when I tryto run at full throtle seemed like It does not rev up at all, by sounding of motor.

The motor seems to run at low speed like 5 mph. It run good thoug.

What is the problem could that be. Thank you.
 

kbait

Commander
Joined
Nov 13, 2007
Messages
2,480
Re: Does not runat full throttle

Check compression and spark. Sounds like maybe one cylinder isn't firing, and it'll idle well on one..
 

northwoodslivin

Petty Officer 1st Class
Joined
Feb 3, 2010
Messages
323
Re: Does not runat full throttle

You sure you cleaned that carb well? pulling orifice plugs etc? sounds like a dirty high speed jet to me.
 
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