You are talking about completely different worlds here.
That is a motocross racing bike.
Playing in traffic is completely different. Smash into the back of a car, or have a car rear end you and you'll understand. A bicycle is completely different.
You should also pay more attention to your spelling. Don't know what "nirto" is. You probably mean methanol not "methol". Touchy not "thouchy". Never heard of hydro v brakes. Heard of hydraulic v brakes though. What's the 1% water for, to make the engine run rough. Good to see you found something that will stay mixed in with an alcohol based fuel.
I believe people have already tried to help you with porting. wouldn't hurt to read them again, Or go learn some basic engine tuning and actual terminology.