I spoke to an experienced "Johnson" man this weekend about the smoking problem at low speed. He said that Johnson had some problems with their thermostats sticking open. If the head is not running hot enough at low RPMs, this could at least contribute to the smoking problem if not cause it...
Talked to a "Johnson" man yesterday. His advice was to confirm the thermostat was working properly. He said if the head is not hot enough when trolling, that could contribute to the prblem if not cause it. Apparently Johnson has had some problems with the thermostat sticking open. This could...