Gan ane mo nanya nich, motor ane supra x 2000 bore up jup z os 0 karbu smash udh ganti spuyer, klep shogun 110, cdi brt, koil standar. rencana nya ane mo ganti karbu gl100, kira2 hrs ganti spuyer ukuran brp y?. trus klo mo ganti gigi rasio, biar kenceng pake gigi rasio apa y gan?. trus minta tips...
