Not an issue the 40cc gas bike kit* functional already, 200+ mpg on the flat @ 14 to 18 mph,
3500 to 5000 rpm, Top spd pas, 36mph. Have 4 batteries,total 55AH, 500w bafang front kit
in progess. Will also have 2-whl drive. Stock tank 1 liter + mounted 3 liter jerry can.
50 to 65 mi. per liter...