I have lurked around this site getting tips for some of my small engine woes. I have just registered so feel free to keep me within the rules. If I am out of line I apologize. Now for the problem. It is actually a Robin 5hp engine on my grand-kids go cart. It only runs with choke on and not good then. Any help or direction to the correct source much appreciated. I know this is not your typical "lawn mower", but lots in common. Thanks for reading.