Salam, is it the acceleration (pickup) you seek in terms of performance? there are many sprockets ratios you can bolt,but it will gradually make your motorcycle's clutch assembly weak.
the current acceleration is pretty good but i want more performance in terms of speed the speed gets stuck on 65 km/h there are some vibrations when riding on such speeds the 1st gear feels much powerful and has short ratio of speed so i shift to the 2nd gear as soon as the wheels start moving however like the 1st gear the 4th gear seems to have short ratio of speed as well because it goes to 65 km/h within seconds but produce vibrations like 2 stroke yamaha yb 100 my bike is super power what are the stock and altered sizes of front n rear sprocket my mechanic told me to install 38/16 type of sprocket but i am looking into 41/16