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See my reply above... apparently you and I replied at the same time.

It’s acting as a nut to hold the bell crank in place. I needed a fine thread 1/4” nut and didn’t have one, but I did have an old Chinese die.

Thanks for the input. It seems like it would work the opposite way? Anyhow, it‘s manageable now, but the brake sucks.

What tooth count do you think I have now? I made another change to the throttle setup and it’s much better now. Will still haul butt, but now it’s controllable so the bike doesn’t try to shoot out from under. I can’t upload a video, but here are a couple pics of it in action.

Thanks, I watched that yesterday. :-)

I just made a change... As stated, there was almost no throttle movement between “barely moving” and “crash.” So it was really hard to ride it at all. Top speed I have no idea because I don’t think I can stay on it that fast! But one little tiny twist of the throttle and the bike would shoot...

I don’t know the gear ratio, but it feels like a rocket when it gets goosed. I had to rig a foot rest on the front fork to help distribute my weight so I don’t flip.

Here is a pic showing the rod between governor arm and carb throttle shaft, another pic of how the cable is connected to the governor arm on my machine, and a pic I just found of someone else’s engine to show the OEM configuration for this engine. I don’t have any of the missing parts and don’t...

Thanks. The rod visible in the photo IS the carb linkage. As you can see, the cable and rod attach to the governor arm in almost the same spot. So it’s almost as if the cable is pulling directly on the carb butterfly. I’ve done a lot of searching, but I’ll try some more. Appreciate the input.

Howdy all! I just got a little mini bike with a Briggs engine. Supposedly it’s an old frame that was sold through a catalog in 1969, blah blah... whatever. I have no way of knowing its age. I finally got the newer Briggs engine running smoothly, but the throttle hookup is primitive and VERY...