Hi all, So, I've been trying to re assemble the fuel pump and am having a hard time keeping the diaphragm in position. One valve with the spring on the bottom is pushing it up while the other is pushing it down resulting in distorting it and not sealing correctly. Does anyone have any tricks or...
'74 model 50 has bad miss. Seems like it's running rich. Compression 140 on both cyls, rebuilt carbs, new stator, coils, power pack, leaf valves look good, great spark at 7/16 on open air tester. Lots of black gook coming out of the exhaust as well as smoke. Spark plugs are black and wet. Could...
I'm rebuilding the carbs on my old 50hp Johnson and have removed the high speed jets. They look clean but I am wondering if they can get worn out and need replacing? It says 58 on them and I was also wondering if that is the same as a #58 drill bit. If so, should I get one and see if it's worn...
Hi all, I'd like to rebuild the power head on my 50esl74m this winter. Can anyone recommend a good place to get all the parts in a kit rather than ordering them piece by piece? Thanks!
Hi all, The fuel line connection at the engine seems to be leaking. I've replaced the female connector on the tank hose but when I pump the bulb I can see gas weeping out at the connection. I've been looking around for the male connector that bolts to the engine but am having no luck in finding...
Hi Guys, My service manual says to set the timing at 3 degrees at 900 rpm and then 19 at 3500. I have the timing light but my boat doesn't have a tach. Other than spending $75 for an in-dash tach, is there anything else I can do or use? Thanks
Hi guys, I finally found the factory service manual for my 74 50hp Johnson. According to the manual, the fuel line from the pump should go to the top carb and then the bottom one. On my engine, the fuel line goes to the bottom carb first then up to the top carb. Looks like I'd need to change the...
Gas is spitting out of the top carb on my 74 50hp Johnson. If I spray sea foam in the bottom carb, it wants to die out but no affect when doing the same to the top carb. Possible Reed valve problems? Great compression on both cylinders,,,,,,,,,
Hi all, I'm new here as well as new to the world of working on outboards. I've done a lot of automotive and truck repairs over the years but this is my first outboard engine. My 1974 50hp Johnson will not idle and seems to have a miss also. I've rebuilt both of the carbs and put new spark plugs...
