Inline engines:
Inline engines have their cylinders arranged in a straight line, one behind the other. This is the most common engine configuration for motorcycles, and it is found on a wide variety of bikes, from small commuter bikes to large touring motorcycles. Inline engines are compact and efficient, and they offer good balance and handling.
V-twin engines:
V-twin engines have two cylinders arranged in a "V" shape, with the cylinders angled out from each other. V-twin engines are popular for their distinctive sound and strong low-end torque. They are found on a wide variety of motorcycles, from cruisers to sportbikes.
Boxer engines:
Boxer engines have two cylinders arranged opposite each other, with the pistons moving in and out in a horizontal plane. Boxer engines are known for their smooth running and excellent balance. They are found on a wide variety of motorcycles, from BMWs to Ural sidecars.
Parallel-twin engines:
Parallel-twin engines have two cylinders arranged parallel to each other, with the pistons moving up and down in the same plane. Parallel-twin engines are compact and efficient, and they offer good balance and handling. They are found on a wide variety of motorcycles, from small commuter bikes to large touring motorcycles.
Flat engines:
Flat engines have two cylinders arranged opposite each other, with the pistons moving in and out in a horizontal plane. Flat engines are known for their smooth running and excellent balance. They are found on a limited number of motorcycles, such as the Moto Guzzi California.
Rotary engines:
Rotary engines feature a triangular-shaped rotor rotating inside an oval shaped chamber instead of traditional combustion stroke piston movements of cylinders
Each of these engine configurations has its own unique advantages and disadvantages, and the best choice for a particular motorcycle will depend on the rider's needs and preferences.
