The cobra airmow 51b boasts a powerful briggs stratton 575 ex engine, designed with the latest ohv engine specifications which provide lower noise levels, maintenance needs and fuel consumption. The engine also features the briggs and stratton readystart® automatic choke, which can sense the temperature of the engine and delivers the right amount of fuel to the carburettor.hover mowers use cushions of air to manoeuvre, the airmow 51b has a lightweight deck which is abs injection molded and can cut at angles of 45°. To provide extra support when mowing over rough and uneven ground, the cobra airmow comes with a 3 in 1 wheel kit as standard. This simple to use kit allows you to add and remove the wheels as and when needed. The cobra airmow 51b has a height adjustable handle which is cushioned for comfort and also folds for easy storage.specificationengine  briggs stratton 575ex readystart®  engine type 4 stroke, ohv, 140ccfuel tank capacity 0.8ldrive none, hand propelledcutting deck abs polymercutting width 51cm 20 cutting angle max 45°wheel kit included wheel size kit 20cm 8 weight 18kgwarranty 2 year manufacturer's