Electric Power Steering Features 1 Reduce steering torque

Electric Power Steering Features 1. Reduce steering torque and reduce weariness while riding 2. Keep proper feed back from ground and improve controllability. 3. No power loss compare to hydraulic power steering 4. Compact layout with steering column and it saves weight and space 5. Return normal steering system when it has malfunction www. yamaha-motor-europe. com

System over view www. yamaha-motor-europe. com

Steering system System is almost same except EPS unit It means simple and space saving and light weight www. yamaha-motor-europe. com

Steering system Composition of EPS unit Position sensor (potentiometer) Sleeve Worm gear Worm wheel gear Motor www. yamaha-motor-europe. com

EPS system EPS internal operation Sleeve drive spline Drive by steer www. yamaha-motor-europe. com

EPS system EPS internal operation 1. Internal shaft is twisted (Refer red line ) 2. Shaft spring rate, clearance between yellow part and output shaft is designed optimum for natural steering feeling. 3. It generates sleeve movement and position sensor send signal to EPS ECU Sleeve www. yamaha-motor-europe. com

EPS system EPS internal operation Position sensor drive by sleeve and send electrical signal to the ECU Position sensor sends electrical signal to the ECU www. yamaha-motor-europe. com

EPS system EPS operation Motor drives steering column through worm gear and worm wheel www. yamaha-motor-europe. com