Zama C1U carb. Mantis says to dump fuel and run carb any time the Mantis isn't going to be used for 2 weeks. So I did. Didn't help carb is all gunked up. The needle valve is so stuck that I broke the top of it off trying to remove it. Well pilgrim, I know the carb for these is cheap so I found the shebang,+ air filter, plug and fuel lines= 18$. Ebay has the same kit for 8$ but too long a wait. Grr, I hate breaking stuff. S'posed to be here Sunday.