Is there an aftermarket external mount water jacket temp switch available? Can I drill and tap a new hole for an aftermarket switch? Looking for alternatives to replacing the temp switch or add a temp gauge, as I did a new water jacket gasket, head gasket & thermostat, not too long ago. In...
Johnson 1977 70 HP, 70EL77S - Bogs down when put in gear & throttle pushed forward.
After running my engine for a period of time, at full throttle...approx 10-15 minutes, I shut down. After approx 15 minutes or more, I restart, place it into gear and advance the throttle through approx 25% of...
Greetings,
Any suggestions or opinions on the following would be greatly appreciated!
My Johnson 70EL77S has been experiencing sudden, pulsating loss of power/bogging down most often when at (or close to) WOT, but also at varying power settings. *The problem has been sporadic and mostly just...
1977 Johnson 70Hp 70EL77S
I've done some pretty extensive searching online and on this site without any conclusive results.
I am moving the batteries on my boat to the bow for weight and balance. I have a dual battery setup with a Attwood 4-Way Battery Selector Switch.
This is a fiberglass...
Greetings,
I recently acquired a new-to-me boat with a 1977 70HP Johnson outboard.
The motor will only start with the warm-up lever at about 50%-75% of its travel (up). Once started it idles, but quickly dies once the warm-up lever is dropped to it's lowest manual position. As you may be...
