Getting a leak from the front of the engine?

Well when I turn the fuel valve on and leave it for a few seconds and try to kick start it, it will start. I mean I woke up this morning turned the fuel on and it kick started first time. Left it for a few hours and it just wouldn't kick start. I know ive got bad compression but it should start anyway. Me and a friend today bump started it with his bike toeing mine and it would fire right up. But it just wont start up when its sitting still.

The carb is fine, I haven't checked my reeds yet, but the major problem is im getting gas leaking from the front of the engine which connects the exhaust. I just know its not properly connected, its like the gas is going from the tank straight into the carb into the engine, and straight out of the exhaust connect bit and it hasnt got a chance to fire up. Also my spark plug is fine too.
So what im asking is what are the things I need to properly connect my exhaust to the engine. I got 2 springs which I know I should had 3, and the 2 I got arnt the best in the world. And I can't see no O-ring on the exhaust either. Help me please ! Thanks. :cool:

Erm no im nor going to ride a half ass bike.

Just I want to know why is gas not being burt and why is it leaking from the front of the engine .....

Arh ok cheers motodawg, I think what I will do is just take the bike into my local dirtbike store and get a service on it, it will probably cost abit but then I know everything is fine.

rmc its not pouring out, just a calm leak if you get me.

But as I said, i'll take it to the experts, i'll get them to do a full service, it will cost a small bomb
but then I will know everything is fine and I haven't got to worry about it :cool: