▁fall ▁in ▁the ▁future , ▁and ▁is ▁talking ▁of ▁creating ▁a ▁program ▁to ▁le ase ▁rather ▁than ▁own ▁the ▁battery . ▁ ▁Com parison ▁with ▁conventional ▁motor cy cles ▁With ▁, ▁and ▁ ▁of ▁tor que ▁in ▁the ▁' per formance ' ▁mode , ▁the ▁En ert ia ' s ▁power ▁output ▁is ▁compar able ▁to ▁a ▁convention ally ▁power ed ▁K aw as aki ▁Nin ja ▁ 2 5 0 ▁motor cycle . ▁ ▁However , ▁the ▁ 2 0 0 9 ▁Nin ja ▁ 2 5 0 ▁has ▁a ▁top ▁speed ▁of ▁, ▁while ▁the ▁En ert ia ' s ▁top ▁speed ▁is ▁ 5 0   m ph ▁or ▁. ▁ ▁It ▁has ▁no ▁g ears ▁or ▁cl utch ▁so ▁sh ifting ▁is ▁not ▁required , ▁which ▁Br am mo ▁claims ▁enables ▁the ▁En ert ia ▁to ▁go ▁from ▁ ▁in ▁ 3 . 8   seconds ▁in ▁performance ▁mode . ▁ ▁T ested ▁by ▁Cy cle ▁World , ▁the ▁Nin ja ▁ 2 5 0 ▁acceler ates ▁from ▁ ▁in ▁ 2 . 0   seconds . ▁ ▁Motor cycle ▁Cons umer ▁News ▁project ed ▁a ▁range ▁of ▁ ▁for ▁the ▁Nin ja ▁ 2 5 0 ▁based ▁on ▁their ▁tested ▁. ▁ ▁Br am mo ▁claims ▁the ▁En ert ia ▁has ▁a ▁range ▁of ▁ ▁between ▁charges ▁if ▁power ▁is ▁set ▁to ▁the ▁minimum ▁level , ▁ 4 0 %. ▁▁▁ ▁At ▁ ▁of ▁carbon ▁dio x ide ▁( CO 2 ) ▁per ▁gall on ▁consum ed ,