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1952 Johnson 5 horse TN-28 mechanical rebuild
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<blockquote data-quote="ggoldy" data-source="post: 367879" data-attributes="member: 12539"><p>Well, a little research pays off. That poping(coughing) was a fuel/air mixture problem, both high and low speed. Adjusted just a bit and it ran fine this morning.</p><p></p><p>That "open port" in the last picture is the slow speed mixture adjustment. I read this before and totaly forgot. It has a brass insert restricting air imput to a preset amount. Motor dies when I restrict the opening....even just a little! Now, I can SEE the fuel passing through, inside of that hole. LMAO, it looks like some primative 'flux capacitor' thing from "back To The Future"! While revisiting the manuals, I expected to find a filter, baffle, or screen that I was missing. I've found nothing.</p></blockquote><p></p>
[QUOTE="ggoldy, post: 367879, member: 12539"] Well, a little research pays off. That poping(coughing) was a fuel/air mixture problem, both high and low speed. Adjusted just a bit and it ran fine this morning. That "open port" in the last picture is the slow speed mixture adjustment. I read this before and totaly forgot. It has a brass insert restricting air imput to a preset amount. Motor dies when I restrict the opening....even just a little! Now, I can SEE the fuel passing through, inside of that hole. LMAO, it looks like some primative 'flux capacitor' thing from "back To The Future"! While revisiting the manuals, I expected to find a filter, baffle, or screen that I was missing. I've found nothing. [/QUOTE]
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1952 Johnson 5 horse TN-28 mechanical rebuild
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