sticking

Hey guys, I have a problem with my brand new 80cc kit, the clutch pin is sticking out. I can put the case with the clutch arm back on again but when i try to engage the clutch it wont let the drive sprocket turn. It looks like this: https://www.youtube.com/watch?v=B6MclEe29gM I...

So, I just killed my NT carb in a sense. It still works, but it's cracked where it tightens on the intake. When it's tightened too far, the barrel won't go in. When it's loosened, the barrel will go in, but you can only tighten it to a certain point before the barrel sticks, giving the...