1961 johnson 75

[jus do it]

I have a 1961 johnson 75 that will idle but if i put it in gear and give it any gas it sputters and dies out. It will run better if i 3/4 choke it any ideas.

 

[coolguy147]

Re: 1961 johnson 75

link and sync

carb clean and rebuild sugguest a new float if havent already done so

 

[tashasdaddy]

Re: 1961 johnson 75

fuel starvation, using the choke cuts the amount of air. see carb adjustments here, also read all of it. > http://forums.iboats.com/showthread.php?t=299680

 

[jus do it]

Re: 1961 johnson 75

made carb adjustments and still not working. Rebuild carb or fuel pump or both.

 

[Evinrude Boater]

Re: 1961 johnson 75

Rebuild carb or at least thoroughly clean it. Could be as simple as a plugged high speed jet or orifice. Like Tasha wrote, fuel starvation. Fuel is not getting through your carb. Clean it like a surgeon.

 

[coolguy147]

Re: 1961 johnson 75

it will never idle right if he dont a modern float in there...

 

[Chris1956]

Re: 1961 johnson 75

As was stated, clean up the carb. I do not know if a new float is avail for that model. However, those old cork floats were pretty good, if the brass holder was solid. Make sure the brass holder is not twisted, where it pivots. You want the float to sit parallel with the top of the bowl. C/o the low speed needles for nicks and other damage. If you have these issues, it will be hard to adjust the idle mixture.

 

[coolguy147]

Re: 1961 johnson 75

im just saying cause if its cork then most likely its falling apart?

 

[jus do it]

Re: 1961 johnson 75

thanks will try cleaning the carb and will get back with ya

 

[Evinrude Boater]

Re: 1961 johnson 75

it will never idle right if he dont a modern float in there...

If the cork float is saturated it won't float properly and the main jet won't close. You would have flooding but this thread is about fuel starvation.

 

[jus do it]

Re: 1961 johnson 75

thanks to all who helped me out cleaned the carbs, salvaged a day on the lake thanks again.

 

[03vrod]

Re: 1961 johnson 75

Did you replace the float?If so where did you find it?Thanks I have the same engine .

 

[jus do it]

Re: 1961 johnson 75

no the float was still good I just cleaned the carb.