carb problem 1997 65 hp commercial Johnson

pallidin

Cadet
Joined
Feb 17, 2008
Messages
8
Hey guys help.

I own the above motor and it starts well and idles well but has no power and runs terrible for approx. 30 min. Once it warms up runs great. Believe I have a carb problem. Any help in setting same would be great or info as to where I could look up service info and pictures. I have replaced the plugs and coils no difference , must be in carb settings Please Help
 
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