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Hey everyone. Just got an old boat- ran like a top then all of the sudden one day at full throttle it started to slow down. Almost to a crawl. It idles fine, never misses, then after I let it sit for a minute or so it will go right back uo to 3500 rpm and be fine. Then it slows down again. I...
Johnson 115 Piston - Imgur
Here is the story: I had 105 psi on one cylinder (compared to 125-130 on others) and I uploaded the first picture in this album. The wisemen here said I was due for some trouble. Well it happened. The rest of the pictures are of the damage that happened not long after...
Here is the story: I had 105 psi on one cylinder (compared to 125-130 on others) and I uploaded the first picture in this album. The wisemen here said I was due for some trouble. Well it happened. The rest of the pictures are of the damage that happened not long after. To me it looks like a ring...
I'm rebuilding the carburetors on my Johnson 115 horsepower V four and I noticed that my carburetors have absolutely no spots to adjust them. If I look in the manual there is one of adjustment screw but that location on mine is covered with one of those lead plugs. Does that mean there's no way...
http://i.imgur.com/q8cd3sn.jpg
I only had 105 psi compression on the top right cylinder (as opposed to 120 on the other bank and 135 on the cylinder below) so I pulled the head and the cylinders look perfect but I noticed these two odd shapes on the piston. I am not sure what I should do now...
Hello everyone - I just bought an old boat for my family (getting the boys off of video games and such). It is a 1989 Sylvan deck boat 15ft with a 1983 115 Johnson. Not being a boat guy and reading some threads I got interested in checking out my engine - probably what I should have done before...
Hello everyone. Tomorrow I am buying my first boat in 20 years. It's an old $1500 16ft with a 90 hp Johnson outboard. I live in Milwaukee so there is ice everywhere except lake Michigan and the Milwaukee river. My question is: could I take it in the super cold river to just test it out or is...
