Can't start Johnson 1977 6hp outboard

[johnson77]

I have a Johnson 1977 6hp hand start. It would start so I rebuilt the carb and replaced the fuel pump. Now it will start briefly with the choke on and throttle open. But then dies quickly. Any suggestions.

 

[R.Johnson]

Re: Can't start Johnson 1977 6hp outboard

Did you turn out the low speed needle 1 1/2 turn's to start after rebuilding the carb?

 

[samo_ott]

Re: Can't start Johnson 1977 6hp outboard

Do you have good spark on both? Make a spray bottle up of 50:1 mix and spray it in the carb and it it runs for 5-10 seconds then it's a carb issuie. Something went wrong on the rebuild probably. And yes, make sure the low speed jet is turned out.

 

[F_R]

Re: Can't start Johnson 1977 6hp outboard

"It would start so I rebuilt the carb and replaced the fuel pump." .....Why?

 

[tashasdaddy]

Re: Can't start Johnson 1977 6hp outboard

read these. carb settings
http://forums.iboats.com/showthread.php?t=167352

http://forums.iboats.com/showthread.php?t=158071

 

[steelespike]

Re: Can't start Johnson 1977 6hp outboard

"It would start so I rebuilt the carb and replaced the fuel pump." .....Why?

I'm pretty sure that was a typo. Or perhaps he just likes to fiddle.

 

[johnson77]

Re: Can't start Johnson 1977 6hp outboard

Seems to run good when I first start it then about 30 seconds later dies. I can keep the motor running by spaying the mixture directly in with a spray bottle. So I took the carb off to see what I screwed up but I can't find anything. I double checked that I had the needle valve 1-1/2 turn out.

I took off the line to the carb to check pressure. I get a reasonable stream out when I hand start the motor. Obviously not as much if I just squeeze the bulb. The bulb stays 90% hard so it's not loosing pressure.

Not sure where to go from here.