Try this.....take off the crappy china screws, replace them with USA grade 5 screws, replace the crappy chinese coil, replace with a USA coil, remove the chinese head and replace with a USA one, remove the chinese clutch and replace with a USA one, Remove the crappy chinese twist grip and replace with a USA one, remove the sub par chinese cylinder and replace with a USA head, remove the poopy chinese piston and replace with a USA one, remove the na na chinese spark plug and replace with a USA one, remove the Chinese carby and replace with a USA one, remove the chines leaky gas tank and replace with a USA one, remove your chinese head and replace with a USA one and finally remove your chinese money and replace it with USA.
You can thank me by sending me an engine....preferrably Japanese. hahahahahahhhaha