50hp mariner will not open at full throttle

gabulldog

Recruit
Joined
Aug 16, 2009
Messages
4
Can someone help please? I recently bought this boat, took to lake wouldn't run but bout 100 feet and died. took carbs off clean out wit carb cleaner spray will crank and run but only at full throttle but will not open up goes very slow. Today it spit and sputtered a few times and opened up for bout ten seconds and went right back to same thing. Does anyone have any suggestions?
 

RaScLeS

Petty Officer 1st Class
Joined
Jun 27, 2009
Messages
230
Re: 50hp mariner will not open at full throttle

ignition problem, or carb problem.
 
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