The full tank capacity of this bullet 20litres. it gives 500-700km when fill the tank full.starting method is two type which is kick start and electric start.That was also nice.Engine type is reaaly great single cylinder, 4 spark, twin spark, air cooled.the weight of ROYAL ENFIELD THUNDERBIRD 500 is above 195 kg. so less strength peoples cant handle it.the vibration is very less when you long travel in this bullet.