It lags because it makes use of a commence clutch to transfer electrical power instead of the current gen CVT which takes advantage of a torque converter. It was an issue from the 2nd gen Honda Metropolis CVT that has an identical setup. The vital sections in the Iriz's system https://cvtproton20739.bloguetechno.com/the-single-best-strategy-to-use-for-cvt-proton-69275896