69 johnson 85hp. starts and dies

carl kendall

Recruit
Joined
Feb 19, 2009
Messages
5
hey guys i ve got a 1969 85 hp johnson i took it out about 4 times and it ran good till this weekend it died as i was putting it in the slip and it started up and ran fine for about 1 hour then died again it started up and ran back to the dock and died again after that itit would start but only run for a few seconds really rough like it was on 3 cylinders and then die again checked the plugs an they were really wet all of them i put new plgs in and it fired and ran good took it out and opened it up and it really ra good tills i got back to the dock and it died and started now it starts but dies after about 30 seconds, help any idea what i am facing would really apprteciate any help i can get thanks
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: 69 johnson 85hp. starts and dies

start with the basics, check compression and spark on all 4 cylinders. when was your last carb rebuild?
 

nanastew76

Cadet
Joined
Apr 25, 2009
Messages
13
Re: 69 johnson 85hp. starts and dies

I would run it till it dies then see if it as fire it would help if you got timing light.
 
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