crankbait2009 Posted January 17, 2012 Posted January 17, 2012 I hope I am posting this in the correct spot...... I have a 1966 Evinrude, 18HP, 2 stroke engine. I recently purchased a boat that had this attached to it. Knowing that the carburetor needs rebuilt, the previous owner gave me the kit to do so. I am not engine savvy at all, but with a little guidance (ok, a lot), I can get through it. I have a guy at my work that said he'd rebuild the carb for me, he does this a lot on motorcycles and boat engines as well. So, guess what......Once I get it off, it's going to him to fix!!!! here is my question....Can anyone help me on uninstalling the carb, so I can get it off and fixed? I see a couple nuts/bolts which are holding it on, but it also has a lot of other things attached to it as well that I don't know whats what. If anyone could help me, I'd greatly appreciate it Quote
Super User slonezp Posted January 17, 2012 Super User Posted January 17, 2012 If he is motor savy, why don't you bring him the whole motor. It can't weigh much more than 30-40lbs. Quote
crankbait2009 Posted January 17, 2012 Author Posted January 17, 2012 figured it would be easier to carry the carb rather than the whole motor. Quote
Super User Way2slow Posted January 18, 2012 Super User Posted January 18, 2012 Actually, it weighs a little over 100 pounds. The 18, 20, and 25 were all the same motor, just a different intake/carb. It's pretty much straight forward job removing the carb. Hold the knobs, remove the screw from the center and then pull the knobs off. Undo throttle linkage and choke, remove the two flange nuts. I think you have to take the lower cover off but it's been so long, can't swear to that. I ran those motors for over thirty years, my first was a new 66, 18hp. You probably won't notice much difference between that 18 and a similar 25 Quote
crankbait2009 Posted January 18, 2012 Author Posted January 18, 2012 thank you, i was able to get the carb off. I took lots of pictures before and during the process. Once I get it cleaned and rebuilt, Hopefully It will go back on like it came off Quote
Super User Way2slow Posted January 18, 2012 Super User Posted January 18, 2012 When you put it back on, you want to make sure you have the right tension adjustment on the idle mixture screw. The nut needs to be snug enough you can turn it but if it's too loose, it will vibrate out of adjustment and suck air. Before lock the screw down in the knob, you need to get it running, let it warm up, adjust the idle screw so it idles smooth and then put the know back on in the center position. That gives you room to richen it up when cold and lean it out after running it a long distance and go to idle. Quote
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