1978 Johnson 140hp running rough. Need advice

saltchuckmatt

Captain
Joined
Jul 19, 2019
Messages
3,059
Certainly lots of good info here, did you use OEM parts on the carb in the beginning? Welch plugs are easy in my mind...I use I drip of lock tight sealer.

To many compression tests and to much writing, not enough diagnosing.

Work until it's fixed.

What happens when you pump the primer ball?
 
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