Recent content by cmayo

Yeah, I had just started to Google "throttle plate" instead of "butterfly valve" and am seeing more hits for shaft-and-plate kits. Haven't tried to dial one in for my Nikki 2005395 carb but worse comes to worst, I'll snag a cheap aftermarket carburetor and bolt it on or cannibalize it for parts.

I have a cheap borescope and finally managed to wrestle it around to view the entire piston top... no screw, so I'm just going ignore it and hope I don't see it down the road. Looks like now my biggest problem is going to be finding a replacement butterfly valve and screw set... Google has not...

It looks like VegetiveSteam called it. I found that the top screw on the butterfly valve was missing, the bottom screw was loose, and the valve was jammed up, off-center, inside the carb. I did not find the missing top screw. Is it likely to be inside the head? How could I find out, and how...

Auto Doc's I hit the throttle linkage with penetrating oil a couple of times last night and WD40 this morning after reading your post, and am seeing no improvement. I'll pull the carb today or tomorrow and take a look. Thanks for your advice! VegetiveSteam Thanks for replying to my post! It may...

Suddenly, my Kohler Courage 20HP (TroyBilt) is running flat out, revving well above its usual highest RPM. The throttle control has no effect and the throttle linkage on top of the carb (circled in red on drawing) seems to be frozen and will not move/pivot either by hand or with the throttle...