Hi all-
I have a 1980 9.9 hp evinrude that I recently aquired. The motor runs great at slow speed but when I open the throttle it will run at high rpm for a few seconds and then drop to low rpm. If I again return the throttle to wide open, the rpms go up and then down again. Pumping the...
Hi all-
I have a 1980 9.9 hp evinrude that I recently aquired. The motor runs great at slow speed but when I open the throttle it will run at high rpm for a few seconds and then drop to low rpm. If I again return the throttle to wide open, the RPMs go up and then down again. Pumping the...