mercruiser 120 hp does not reach full throttle

S

skip15

Cadet
Joined
Jul 19, 2009
Messages
18
I have a 1986 120 hp mercruiser when i take off it hesitates and then it won't reach full throttle I could smell rubber burning can you tell me what is causing this

thanks skip
 
F

Fordiesel69

Lieutenant Junior Grade
Joined
Sep 18, 2009
Messages
1,146
Re: mercruiser 120 hp does not reach full throttle

How about all the rest of the info?

Is the engine overheating, have you checked for proper timing advance? Is it rubber or blow by gas you smell? Is there somthing wrapped around the prop, is the carb too lean, etc........

Lots of stuff to check thru process of elimination.
 
S

skip15

Cadet
Joined
Jul 19, 2009
Messages
18
Re: mercruiser 120 hp does not reach full throttle

the engine isn't over heating i going to check the timing advance ,
thanks
 
Kainon

Kainon

Chief Petty Officer
Joined
Sep 13, 2009
Messages
608
Re: mercruiser 120 hp does not reach full throttle

Rubber burning smell could be the engine coupler, to replace requires removal of the engine and outdrive and can mean the engine/drive is out of alingment or on a 120.. age.
 
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