2004 Predator 50cc throttle

I'm working on a 50cc kids quad and there seems to be a problem with the throttle. It starts and idles, but when giving it gas, it dies. It seems like there's some electric connection that activates the kill circuit.

Any ideas?

Thanks.

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Help!

Hey, my name is Corbin. I’m from North Carolina and have been riding my whole life, use to race dirtbikes when I was younger but lately I have been riding a 2014 Honda Rancher 420 and me and my friends ride in a lot of mud, enough to where I had been thinking about snorkeling my Rancher. But I sold it last weekend and am looking into a can am. 2 of my buddies bought 2017 Can am XMR 850’s brand new and haven’t had an issue out of them that I know of. I have been looking into the XMR 570, I found a very nice used 2016 570 XMR with only 37 hours and it seems to be in great shape. But I have read some forums and reviews where people say they’re nothing but issues. Can you guys help me out? I know nothing about them. Thanks so much!!