1970 Johnson 4hp Carb jet mix-up

ugmold

Petty Officer 2nd Class
Joined
Jun 2, 2008
Messages
132
Hi folks,
Took apart my 4hp Johnson'd carb to clean as it has never run right and started to think maybe the jets are swapped, then I got confused which one was where...
One is a nice taper, other is more like a needle.
Thanks
 

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racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
37,827
To me it looks like the threads are different.-----So for me it would be hard to get them in the wrong place !
 

ugmold

Petty Officer 2nd Class
Joined
Jun 2, 2008
Messages
132
racerone, correct. Time for some new glasses for me I guess.
Thanks
 

snapper1

Cadet
Joined
Jun 5, 2021
Messages
15
The longer one is your top low speed needle and the shorter one is your bottom high speed needle on the 4hp of that era.
 
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