15 hp johnson need help!!!!!

[awilkinson]

i have a 76 i believe johnson and it will not keep an idle or even start without a little help of starting fluid once i get it started on the top end it runs good as soon as i idle down it dies have played with the slow speed adjustment with no avail. cleaned the carb blew out all the ports no help put on a new fuel pump didnt help.all the gasket look good no flaking the carb is clean what can i do.

thanks for any information

oh yeah the idle adjustment are maxed out

 

[tx1961whaler]

Re: 15 hp johnson need help!!!!!

Does it have spark on both cylinders? What is the compression?