There are very few reviews mentioning if this carb works with ttr125. I can confirm this works for my 2004 ttr125le. It requires you to drill out the cover the same way you did the popular mikuni vm24 swap. The stock manifold cover clamp between cylinder head and carburetor is not tight enough, but the hose clamp works fine. The intake manifold is too small, but I was able to stretch it with some heat to accommodate it. Again, I had to use a hose clamp because the standard hose clamp wouldn't fit. The rest is great. The idle screw is much easier to adjust than the vm24 as it points directly to the right. The idle speed setting is easy to adjust. The choke is a bit difficult to access, but my bike starts fine without the choke.
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