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mobleydrew · 05-31-2015, 06:04 PM

1.5 turns out, can tell starving for air and stalls, 1.75 turns out, still starving for air but better, still stalling. 2.0 out, revs high then drops down slowly and stalls. 2.5 out, revs higher then drops down slowly and stalls. At the higher turns out, after stalling, difficulty restarting until engine cools. (running so lean that it overheats?)
Only way to maintain idle is at 3,000 RPMs (I have an RPM setting on my meter). I have sprayed engine starting fluid around carb to guarantee no air leaks. Choke plunger not binding.
Do I need to try to be so exact with turns out? Maybe 1.875 turns out?
It is the 13F3 carb, and air screw is not missing the spring, rubber o-ring or washer.
Ideas?

05-31-2015, 06:04 PM	#8
mobleydrew Member Join Date: May 2015 Location: Lake Forest, Illinois Posts: 36	1.5 turns out, can tell starving for air and stalls, 1.75 turns out, still starving for air but better, still stalling. 2.0 out, revs high then drops down slowly and stalls. 2.5 out, revs higher then drops down slowly and stalls. At the higher turns out, after stalling, difficulty restarting until engine cools. (running so lean that it overheats?) Only way to maintain idle is at 3,000 RPMs (I have an RPM setting on my meter). I have sprayed engine starting fluid around carb to guarantee no air leaks. Choke plunger not binding. Do I need to try to be so exact with turns out? Maybe 1.875 turns out? It is the 13F3 carb, and air screw is not missing the spring, rubber o-ring or washer. Ideas? __________________ Drew in Lake Forest, Illinannoying Multiple motorcycle owner/restorer Yamaha '86SRX600, '87SRX250, Honda '85VF1000R, Ducati '67 250. Last edited by mobleydrew; 05-31-2015 at 06:29 PM.
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