I have a 1983 Johnson 9.9. It runs and idles fine and works great in a barrel or with muffs. When I launch the boat and I put it in gear to go I have
Is primer bulb installed in proper direction? Has you run an open air gap spark test on her? Has a compression test been done?
Check all fuel lines and connections from tank to engine for air leaks,Outboards don't need a battery to run once started, Is primer bulb going soft
Prop torque will make it lean to port,and yes turn rear edge of fin to starboard