15 hp yamaha

GRUNNY

Cadet
Joined
Jun 8, 2004
Messages
7
My 15 hp yamaha 1990 electric is flooding , i looked in yamaha parts catalog for carb kit and it lists 2 different carb assembly, 2 diff main jets. # 104 and # 136 . which one should i get and why? thanks
 

Rudderman

Petty Officer 1st Class
Joined
Jan 14, 2004
Messages
283
Re: 15 hp yamaha

My 15 hp yamaha 1990 electric is flooding , i looked in yamaha parts catalog for carb kit and it lists 2 different carb assembly, 2 diff main jets. # 104 and # 136 . which one should i get and why? thanks
If its a four stroke engine, my clymers manual gives the following specs:<br />Main jet number : 104<br />Pilot Jet number : 45<br />Float height ; 9.5-10.5 mm
 

GRUNNY

Cadet
Joined
Jun 8, 2004
Messages
7
Re: 15 hp yamaha

my 15 hp yamaha is a 2 stroke. what is the jet for it then?
 

Jammu

Petty Officer 3rd Class
Joined
Jan 25, 2003
Messages
85
Re: 15 hp yamaha

Here is the part number for 1990 15 hp's jet:<br />677-14343-68
 
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