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    1972 Johnson 25

    Went through this motor 2 years ago. Just took it out for the first time yesterday and it ran great. Purred like a kitten. But, on a 16ft Jon, I could only go 5.5 mph. This morning that I took the top off and checked and I have no spark to the top cylinder. A buddy of mine who is an auto...
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    1972 25r72r Spacer in gearcase

    As always, thank you for help. I have the motor, and I got it as a long shaft with the 5" extension. I have the conversion to short shaft almost complete, but, I am having a hard time finding part number 313524 which is the gearcase spacer, short length. It is an obsolete part, but a lot of them...
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    1972 Johnson 25 (2 part question)

    Ok so I have 2 questions here. But are related so bear with me. 1. My model number is 25R72R this motor has had things added like electric start, but I want to know exactly how it came from the factory. Was it a short shaft or a long shaft motor from the factory? I can't seem to find anything...
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    2014 G3 1652

    Yesterday I bought this boat. Having not owned a G3 before, I did not realize till I got home that the transom has been modified. Best I can tell is that it has been cut down to accept a short shaft motor. Is there any way to repair the transom to its original height? I was thinking a welder...
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    Oil leaking out of lower unit?

    1972 Johnson 25hp. Changed the water pump and impeller, rebuilt the carb, put in new wires and plugs and ran it in a trash can for several minutes. Ran fine for a motor that sat without running for 10+ years. Put it back in the garage and noticed the other day oil leaking onto floor. I smelled...
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    What part is this (carb)

    Hey I got this bag, part 0396522 float valve part kit in my carb kit. I cannot figure out what the silver spring/clip looking thing is on the lower center of the picture. I swear I do not recall taking one off when I tore the carb down and my service manual does not show the part. Maybe it is a...
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    1972 25 hp Johnson Water pump question on gaskets?

    Hey everyone I took off the water pump housing on the motor last night and checked everything over. On the impeller housing there is very very minimal scoring and on the ss plate under the impeller, it is as smooth as a baby's backside so I am making an executive decision and only going to...
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    1972 25hp johnson electric start

    I have a 1972 25hp johnson that I am going through right now. Model number is 25r72r. I thought I read somewhere that the r in the model number denoted rope start but mine is electric start. Is it possible that it was built as a rope start but later converted to electric? I ask because the very...
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    preferred electrical connectors

    I have a 72 johnson outboard 25hp. A mouse chewed on some wiring I need to replace. The manual calls for packard connectors for joining the wires. I don't recall seeing packard connectors at Napa. Are those still the preferred connectors or is there a better option? I want to be safe and not cut...
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    Bolt size for removing flywheel 1972 25hp Johnson

    I am trying to remove the flywheel on a 1972 25 hp Johnson. I studied how to do it and felt pretty confident. So I removed the cover and removed the rope start. Went to the hardware store and bought (3) 1/4x20x3" grade 8 bolts and washers. Went to put the bolts in the flywheel and they do not...
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    25R72R 1972 Johnson 25 mouse chewed plug wire

    I got a boat and this motor from my dad. I know he owned it for 8 years and ran it once or twice in the beginning. The guy before him, we knew, and he bought it new. I pulled the cover off the motor and it was full of a mouse nest mostly comprised of lifejacket stuffing. After cleaning it all...
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    Solenoid problem maybe?

    Hello all, A little background here. At the end of the summer last year I was having trouble with starting my boat. 25' suntracker pontoon with a 120hp Force motor. Seemed like when I would try to turn it over, it would act like the battery was almost dead, but would eventually go ahead and...
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    On Board charger questions?

    Hey there,<br />I just did a search and came up with a whole bunch of answers to this question, but I cannot seem to get it thru my head for some reason. <br /> Here goes. I have a pontoon and am running all of my accesories (fish finder, stereo,lights etc) off of my cranking battery. I also...
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    Tach on pontoon

    Hello fellas,<br />I have a 25' tracker pontoon. I have noticed that my tach is not working properly on my boat. I noticed that when I am in rough water my tach jumps all over the place sometimes. So then I also figured out that if you tapped the front of the tach (plastic bubble cover)the tach...
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    Minn Kota owners manual and install questions

    Hello there,<br />I just recently purchased a used Minn Kota 65 PD 24 volt trolling motor to go on my pontoon. It did not come with the owners manual. How is the easiest way to obtain one? I have already emailed Minn Kota but they have not got back to me yet.<br />Also, Not having the manual...
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