Re: 1953 Johnson Seahorse 10 HP- Set up
No worries Brinner, the linkage between the two needles can be disconnected so that you can remove them fully. JB is right about the fuel oil mix too. you want 24:1. some folks even run 16:1 just to be safe. better a bit too much oil in these old motors, than not enough. After you've disconnected the two needles from each other, you should be able to back them out all the way, inspect them, then put them back in place. You may need to fiddle with the two needles, as well as the idle set screw at the base of the vertical throttle tower, to get the idle dialed in just right, but once you've got them set you should be fine. Just be sure you always run the motor in a tank of water filled up to an inch or so below the exhaust port. These old gems won't run on muffs. Also, no "pee" stream on these guys, so don't worry if you don't see one. Keep us posted. We'll get you through any problems you find. These old 10hp are great little motors and generally worth the effort.