Haven’t had a chance to pull the carb again and check out more orifices, hopefully soon. One question though, what is the point of the “fuel pump”, or whatever they call it? Should fuel come out of the line that goes from the pump to the carb without the quad running? Seems like it operates on vacuum somehow, just don’t understand what the purpose of it is when I can drain my tank through this line, or essentially just feed the carb using gravity like a lot of other quads... maybe this can be causing my issue?

Checked to make sure the carb was all clear for like the 4th time, shot carb cleaner through all the holes I saw and everything seemed clear and had it shootin out other orifices/holes and into my eyes lol. I’m at a loss for ideas at this point. I was able to get it to run a little bit better by backing out the fuel/air mixture screw probably like a total of 7 turns out now (which I know is way too much), and she almost wants to rev up when I give it gas and will almost if I baby the throttle and slowly hit it just right, but still no where near good or consistent. I just don’t get how it still can’t be getting enough fuel. I’m thinking of just getting a new carb on amazon/eBay and hoping for the best, this just makes no sense.

I actually tried that with the carb cleaner last night and it did rev up which is why I assume even more it’s a fuel issue. It’s an aftermarket carb but it did work when it was originally installed so I don’t think it’s a jetting issue. I believe I have the original carb for it laying around but it was replaced by this aftermarket one to remedy a no start issue from sitting and such. I’d probably be able to steal jets outta it if I want probably but I’ve removed the jets on this aftermarket one and cleaned them and they seemed fine.

I just cleaned up the original stock carb, only issue is the brass choke cable fitting that goes into this aftermarket one is a different size (smaller on this aftermarket one) as the original, so I can’t throw the original back in yet cuz the choke cable won’t screw in. They must have swapped it out when the carb was replaced and don’t know where that piece is for the original. I just ordered a new brass fitting for the Mikuni carb so when I receive it I’ll try throwing the stock carb back in and see what happens I guess

Finalllyyyy got it running. I cleaned the stock carb out that I found laying around and ordered a piece that was missing off of it for the choke cable holder. She purrs like a kitten now. Can’t believe that crappy chinese replacement carb was the issue even still after cleaning it. Thanks for all the help throughout this. Crossing my fingers that this fix holds up lol!