Bajaj company is made higher weight bikes, because this company give a higher speed bikes.Bajaj pulsar 220 F is engine have double spark plug . and engine start in kick and self also. in that engine flywheel connect to starter motor and the require higher voltage that voltage supply from 12V battery .the engine is use in that bike is same as sport bike .Engine is 4 stroke.and engine is work on otto cycle, otto cycle carried on petrol. Engine delivering 21bhp of power and torque is 19Nm. for lubrication of engine part splash type lubrication system is use.the air and petrol is mix out side of cylinder main in carburetor and from carburetor is enter in engine cylinder by using inlet valve in suction stroke.petrol enter in carburetor from fuel pump is near to the fuel tank. one cylinder engine and they vertically attach to 2 wheeler bike frame .Air cooling system is use to cool the engine no.of fines present on the engine to minimise temp.of engine. As per required engine giver lean and rich mixture from carburetor.