The fourstroke engine Spark plug Exhaust valve Inlet Slides: 18 Download presentation The four-stroke engine Spark plug Exhaust valve Inlet valve Cylinder Piston The four-stroke engine Inlet valve open INDUCTION STROKE The four-stroke engine Inlet valve open Piston down INDUCTION STROKE The four-stroke engine Fuel in Inlet valve open Piston down INDUCTION STROKE The four-stroke engine Fuel in Inlet valve open Piston down INDUCTION STROKE The four-stroke engine Fuel in Inlet valve open INDUCTION STROKE The four-stroke engine Inlet valve closed COMPRESSION STROKE Piston up The four-stroke engine Inlet valve closed Piston up COMPRESSION STROKE The four-stroke engine Inlet valve closed Piston up COMPRESSION STROKE The four-stroke engine Inlet valve closed BANG POWER STROKE The four-stroke engine Inlet valve closed Piston down powerfully POWER STROKE The four-stroke engine Inlet valve closed Piston down powerfully POWER STROKE The four-stroke engine Inlet valve closed POWER STROKE The four-stroke engine Inlet valve closed Exhaust valve open EXHAUST STROKE The four-stroke engine Inlet valve closed Exhaust valve open Exhaust gases out Piston up EXHAUST STROKE The four-stroke engine Inlet valve closed Exhaust valve open Exhaust gases out Piston up EXHAUST STROKE The four-stroke engine Inlet valve open Exhaust valve closed INDUCTION STROKE And so the cycle continues!!