I have a 1983 Johnson 90hp that starts and runs fine all day long at 3000 RPM or less. As soon as I push the throttle to wide open it will run about 5 - 10 seconds then just shut down. Pulling the throttle back it will run fine again. From idle it will jump "out of the hole" like a bullet, then...
I just inherited a 1948 Sea King. It's cosmetically very nice but mechanically the engine is stuck.
I have worked on several small Johnson/Evinrude outboards. The sea Kind is built quite differently.
Can anyone steer me to a service manual detailing dissassembly? With no cylinder head I must...
