I have a 1962 18 hp johnson. It starts ok and runs rough. When I get it to full throttle it run on one cylinder at first then the second one starts to hit for a second here and there, then it will fire on both cyliners and run great until I slow it down again then it only hits on 1 cylinder...
I have a 1962 18 hp johnson. It starts ok and runs rough. When I get it to full throttle it run on one cylinder at first then the second one starts to hit for a second here and there, then it will fire on both cyliners and run great until I slow it down again then it only hits on 1 cylidar again...