How do I make my 200cc 4-stroke chinese pit bike go faster>?

It is a few months old but it only goes like 70-80kph.(50mph)
I don't want to spend to much money, because i don't have that much money.
I was thinking of a big bore, but it's so expensive to buy and have it fitted.

Please help!

200cc 4-stroke chinese.... that says it all....

get a bigger Japanese bike...

Nitrous system

dude why did u get a chinese bike anyway?? they suck, u shulda got a JAPANESE bike lol. well anyway, u could put a nitrous system on it.

haha chinese piece of
CRUD!
you would be better of buying something proper
Did you no that an orion 250 has the same amount of power as a normal yamaha or suzuki 125cc
your bike does less its like as fast as the klx110 or yamaha ttr110! haha!

If it is a pit bike, how fast do you have to go???

Yeah, the others were right, you chose a bad bike in the first place. but you should check stuff like the plug and carb. These bikes do not hold up, and if you modify it, you are asking for more trouble.

I recommend you just run it until you wear it out, and then get rid of it...seriously!

i wouldnt go for a nitrous system on an engine like that, for a higher top speed change the gearing (very cheap) but you will loose acceleration.

another cheap fix would be to get a good intake system and exhaust system. i doubt the big names like k&n bother with pit bike stuff but im sure someone will.

i assume it has a carb so that should be easy enough to tune a little.

but best of all given its only a a little bike would be that you go on a massive diet until you wiegh almost nothing.

Only ride it on downhill grades, or throw it off a cliff.

It is a pit bike ride it until the wheels fall off. While you are doing that save some cash so you can get a better quality bike next time.