... 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 ... brake (manual)9) Rated power and rotate speed: 4.5kW/12,000rpm10) Max. torque and rotate speed: 4N.m/9000rpm11) ... 155pcsQty/40' FCL: 310pcsQty/40' HQ: 245pcs Pocket Bike (Water-Cooled with CNC Parts) (3rd Generation)