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I noticed mine leaking from the mid needle when the engine was running ,there was actual bubbles coming out ,an the needle was vibrating in & out ,so I pulled it out ,cleaned it an smeared silicone on the threads an set it to flush an smeared silicone over the outside head of the needle!..:hehe:

Yea ,the factory set of that needle is close enough ,it is usually the racer that fine tunes that needle ,an I think it dont take much turn ,maybe a couple of hairs!..:hehe: But it is also one more spot that is prone to leak an wreak havoc ,I had leakage there before on a couple of my carbs ,I...

On the mid range housing ,the over all housing is aluminum ,the internal brass housing for the needle has a tapered lip just on the outer inside ,needle should be flush with that edge of that lip ,but if not ,it wont kill your engine if it not perfect! The mid can also be tuned anyway if your...

Probably the GT3 I might get ,my bad!..:hehe:

I have the engine manual on it ,I think it said they are set flush but slightly in in the brass rim ,there is a tappered spot on the brass an it is set flush with that part!.. :cool: Me neither ,if I do another on road ,it will be a Kyo GT2!.. :cool:

I think they changed the head design & carb to a 2 needle ,not sure!..🤔

Yea ,everyone wants that RS4 back ,probably more over another MT!.. :thumbs-up:

They are making HPI lovers happy again!..:thumbs-up::cool:

I love the HPI 5.9 engine ,it is my favorite engine to run in my MGT!..:cool: