I just installed a new tach on a 40 Merc ('96 4 cyl). It was reading 6700 RPM at WOT. By the sound of the motor there is no way it was turning this many RPM's. Coming out of the whole it was reading 4200 but judging by the lack of whole shot it was turning a lot less than that.(The pitch on my...
'96 Mercury/4 cyl/Oil injection. Ran it with the ear muffs in the back yard. The entire yard was filled with smoke after a couple of minutes. Is this too much smoke? I don't recall it making that much smoke in the past.
I have a '96 40 Mercury 4cyl. When running at full throttle for a minute or two the overheat alarm sounds. Just under wide open the alarm never sounds. If I back off on the throttle after the alarm sounds, it stops beeping after 30 sec to a minute. Getting 10 lbs water pressure, new water pump.
