Why are sprag clutches used in motorcycle electric starter motors?

Sprag clutches are commonly used in Motorcycle electric starter motors because they provide efficient and reliable engagement without slip. A sprag clutch is a type of one-way bearing that allows for torque transmission in one direction and free-wheeling in the opposite direction. In an electric starter motor, the sprag clutch is responsible for transmitting the rotational force from the motor to the engine's crankshaft, allowing the engine to start. This design ensures that the starter motor only spins when the engine needs to be started and prevents any backflow of torque from the engine to the starter motor. Overall, sprag clutches are a critical component in Motorcycle electric starter motors as they provide smooth and reliable engagement, ensuring efficient engine starting.