johnson 130 idle problems

josip77

Seaman Apprentice
Joined
Oct 21, 2006
Messages
44
hi
engine is bj130plss,problem is with idle mixture,when idles mixture screws are set 3.5 a turn out at the moment engine turn off at idle,when i put about 5.5 screws are seta turn out at the moment then can work at idle,but not perfect,is posible the air leaks somewere??when try starts engine sometime engine know sneeza.I test compresion ,and is about 126psi on all 4 piston...
any advice?
thanks
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: johnson 130 idle problems

you don't say what year or model. is suspect dirty carbs.
 

josip77

Seaman Apprentice
Joined
Oct 21, 2006
Messages
44
Re: johnson 130 idle problems

hi
2000 year,I clean and rebild all carb....
thanks
 

Walker

Captain
Joined
Jun 15, 2002
Messages
3,085
Re: johnson 130 idle problems

My memory isn't the best but I seem to recall a service bulletin that changed the specs from 3.5 turns to 5.5 turns.
 
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