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    1977 Johnson Outboard 70 hp bogging down while towing tube

    Hello all, my 70 hp johnson outboard it working great when I'm not pulling anything. However, when I was pulling a tube the other day it bogged right down. I took the tube off and was able to go top speed. I was pulling a 80 pound child so not a big load but it still bogged down. What would...
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    77 70 hp Johnson having issues at top end

    Hi all, looking for some thoughts on what's possibly happening to my 70hp Johnson outboard. The motor starts find, plains fine, and when first run operates well at full throttle. After it heats up, at full throttle, engine starts to bog in and out...it doesn't quit but you can feel and hear the...
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    Hit a short log with my outboard

    Went for a boat ride WOT and all of sudden the boat started to lose speed. I immediately put the boat into neutral and took a look at the motor. In the front of the shaft was a 2 foot log stuck to the shaft. I removed the log and it started up right away. When I put it in gear, it sputtered and...
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    Turn key and nothing happens

    I went to start my boat today, turned the key and nothing, complete dead. Checked the battery and that's fine. Took the cover off the outboard motor (1977 Johnson 70 hp) and noticed a cut wire. I taped the wire (didn't resplice) and still nothing. I went back wiggle the tape, tried to start and...
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    Gas Pump spitting gas out the back tiny hole

    I have a 70 hp Johnson outboard and the fuel pump is spitting gas out the back (through the tiny hole in the back of the fuel pump). I've attached a picture of the fuel pump. What would cause this to happen or is this normal operation. I've recently changed the gasket under the front plastic cover.
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    1977 Johnson 70 hp bogging down with cowl on

    Hi all, I could use some help. My 70 hp 1977 Johnson outboard is bogging down with the cowl on. With it off, it performs well. I've had the fuel pump changes, impeller done and just added some sea foam which seems to have improved performance, but still with the cowl off. The carbs have recently...
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