Mercury Outboad 1972/dogs out when put into gear

[Fudoshin]

Hey everyone,

I have a 1972 Mercury Outboard 20HP. I had it out a few weeks ago and it ran great on the water, now I went to bring it out today and it took me like 40 pulls to get her started, after I got it started it stayed idling very nicely but then after five minutes it died, I would mess with the choke a bit and get it started again idle it faster then as soon as I tried to shift it, it would dog out on me. Not sure what the issue is, obviously fuel isn't getting to her enough, or too much is getting in there. Any advice would be greatly appreciated. Thanks for your time!

 

[wagsack]

Re: Mercury Outboad 1972/dogs out when put into gear

I have a 1971 9.8 that was doing the same thing. after rebuilding the fuel pump and a full carb rebuild, i was still having the same problem. Then i found that my idel ajustment screew was all the in, once i backed it out 2 and 1/4 turns the bogging went away. I don't know if it will work for you but it was just what worked for me.