ap ki bike sirf ek soorat mein 4th gear mein ziada bhag sakti he, ap plug wale surakh ko bore karwa ke barra kardo, aur os mein khirad mashin wale se chorrian dalwao, os mein phir barra plug lagao barri chorrion wala, piche se coil barra lagao alto wala, current ziada ayega tu barra plug os ko sahi fire karayega, es tarah ap ki bike bhagna shoru hojaigi. spocket (sprocket) ko bhi barra karwao. aur han gear box ke andar jo gear laga hoa he 4th wala, os ko nikal ke alto 660cc ke akhri gear ke sath exchange karo. phir dekhna har race mein bhai top pe hoga.