help needed

This is a KS-19 STD 2hp Briggs and Stratton. This site has helped me alot already, but now I'm stumped. The points are good and clean with a good spark, the carb has been cleaned, and it turns over easily- but it wont start. I'm just now getting into real engine work, and any advice/help would...

How do you size the carburetor when buying a custom air filter for any engine? I've heard people talking about 20mm carbs and stuff like that, but I'm a bit of a newbie and i don't know how to do that..suggestions?? Is it in the manual of the engine??

Hey Guys, I'm just wondering why I've seen some people who modify their engines by extending their carburetor out with a small metal pipe and hooking it up to custom fuel lines. If you look at that picture - you can see what I mean, and I'm just curious to know what its for. Comments??

Hey Guys, I've been looking into stepping up a mini chopper I'm working on by having the fuel line linked up to the gas tank. But i was wondering what different kinds of fuel linkage setups there are? I'm wondering if I have a 5.5 Honda Clone, then is just a gravity fed setup from the...

Alright, so I've just put the chain on my new chopper and I've the wheels on and the clutch all hooked up. But I noticed that while I was rolling it, I felt a small change in momentum every now and then. Then I realized when I got home that the sprocket hub is not concentric to the wheel...

I've browsed through quite a few of other peoples mini-bikes and I'm working on my own but I haven't finished it yet. I don't know if this is a stupid question or not, but are kick-back starting engines standard on mini-bikes or has anyone put on a key-ignition engine on theirs? Or devised a way...

So I'm a bit of a newbie to the whole mini-bike building, but my project is actually a mini-chopper type thing. Very basic stuff & no gaudy accessories or expensive tune-ups. But my resources are limited because practically no one does this type of stuff in my area. So for my chopper, I've...