Service a 125cc bike!!!?

Question

I have a 125cc bike and i serviced it as in change engine oil, new spark pulg and topped up break fluid, coolent and 2stroke oil.

is there anything else i can do it help her run and proform better???

I already have a bigger sprocket on the back for better acceloration and an arrow exhaust what else would increase its proformance???

Thanks

Answer 1

Have it bored to the next larger piston size.

Answer 2

...dont forget to grease the chaine with propper grease/wax,and check wheel bearings....as for extra performance let us know what type of bike it is...