Im troubleshooting a 1988 classic 50. I hooked up a digital rpm meter to each spark plug wire and all the cylinders are about the same except #4 which is about half the rpm. Engine bogs down and i am suspecting this is the problem. Now not sure where to go from here.
I removed the powerhead from a 1988 Classic 50. I am trying to figure out the problem with this motor. I have gotten to the point of pressure testing the engine and it will not hold any pressure. The first time I pressure tested it air was leaking by the lower oil seals. I removed the seals...
Good evening,
I have been attempting to fix a outboard for about 6 weeks now (tried several things from these forums). I have had 2 mechanics take a look and diagnose it with no solutions. The motor idles and runs great until half way. At the same point every time the engine stops increasing...
