My cousin gave me a 75 hp Johnson (1983) which I am going to replace the 50hp motor on my fishing boat with. I got it started and running good and the only issue with it is the tilt/trim. One of the trim cylider seals was leaking slightly and it would not raise the motor. I got a seal kit and...
I got this motor from my brother in law and after cleaning the carb and plugs and adjusting the choke and putting some fresh gas in it starts and runs like a top. However, when under throttle moving through the water the motor is jumping almost as if there was a missing tooth or spline...