78 Johnson 70 HP

dbaggette

Cadet
Joined
Mar 12, 2007
Messages
10
I have a 78 Johnson 70HP motor. Recently, mechanic replaced the stator, coil and cd box. The coil and cd box were used. The motor starts and idles fine. I can race the idle and it really runs really well. When putting into gear, the motor has no power, and often immediately dies. Compression tests on the cylinders were all good. Taking it back to mechanic tomorrow, but curious if others have thoughts?
 

jtexas

Fleet Admiral
Joined
Oct 13, 2003
Messages
8,646
Re: 78 Johnson 70 HP

If I had that symptom, I'd probably check the idle speed first, then maybe the link & sync, then the timing.
 
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