1989 merc 50, bogs after 3/4 throttle

yclip

Cadet
Joined
Aug 19, 2004
Messages
10
My 50hp Merc runs fine at 3/4 throttle. will not go up on plane, bogs and surges after 3/4 throttle
 

Clams Canino

Commander
Joined
Jan 10, 2004
Messages
2,179
Re: 1989 merc 50, bogs after 3/4 throttle

Check out the whole fuel system 1st.<br /><br />-W
 

gramkaran

Cadet
Joined
Sep 12, 2004
Messages
8
Re: 1989 merc 50, bogs after 3/4 throttle

What do you mean the "whole fuel system". Where do you start Clams Canino?
 

yclip

Cadet
Joined
Aug 19, 2004
Messages
10
Re: 1989 merc 50, bogs after 3/4 throttle

I have redone the carbs and reset the floats. I can only assume it's sucking air after 3/4 throttle?
 

yclip

Cadet
Joined
Aug 19, 2004
Messages
10
Re: 1989 merc 50, bogs after 3/4 throttle

sucking air from somehwre at full throttle?
 
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