2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 60Get this manual
TECHNICAL FEATURES COMPOSITION The EPS system is made up of the following main components:
EPS UNIT
EPS unit is composed of the input shaft, output shaft, motor and torque sensorhorsion bar TORQUE SEN SOR} TORSION BAR The torque sensor is no-contact, variable-inductance type for detection of the steering torque and the reaction force from the road surfaceThe torque sensor consists of the input shaft, torsion bar, worm wheel, worm gear, coils, core and the output shaftIt is incorporated within the EPS unitAs the input shaft is operated the torsion bar is twistedThis twisting motion is convened to linear motion in the core via the interaction of the slider pins on the torsion bar and the slider pin grooves in the core