New style water-cooled engine, with CNC parts, more powerful, also with gear inside the engine Features:1) Engine: 40cc water-cooled, single cylinder, 2-stroke2 ... ) Fuel type: petrol, 1:25 engine, oil mixing3) ... 155pcsQty/40' FCL: 310pcsQty/40' HQ: 245pcs Pocket Bike (Water-Cooled with CNC Parts) (3rd Generation)