Hi
I had a Chinese 125cc ohv engine. It had some euro 2 standard device setup. There was an air pipe going from the carburetor intake manifold insulator to that euro 2 device.
I swapped the engine with a water cooled 200cc Ohv bit that engine doesn't have that euro setup.

Now if I use that pz27 carb with this 200cc engine it would only start of that nozzle on insulator is left open. If I close it engine will shut off. If it's closed and I try to start engine it won't start.

But if it's left open it's sucking air and mixing it with the air/fuel mixture already meter by carb won't that lean it? It might injest water or dirt.


It's that little black nozzle on the carb.


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