Ok well, i put a new spark plug on it and put a really tight clip around the hose to the carb. It stays alive at full throttle now, but it's as it was before. When im riding it at half throttle, it'll go just over 7,200 rpm, but when full throttle it will go to about 6,800. The guy in the bike shop reckons the exhaust may be full of crap.
Apparently i wasnt using the proper oil, so i got some semi synthetic stuff. I drained the oil out of the bike and filled it with the new stuff. At least it rides now, and if it can stay together till next week, ill take it to the bike shop. Get this: For a new exhaust it is