Tässä nyt selvennykseksi toimintaperiaate korjaamokirjasta englanniksi. Torque is transmitted through the input shaft to the planet carrier assembly. The viscous clutch provides the connection between the gear ring and the sun gear shaft. Torque flow continues through the gear ring to the rear output shaft. Torque also flows from the planet carrier assembly to the sun gear shaft which is splined to the drive gear. The drive gear is connected to the driven sprocket by the drive chain. Torque continues through the driven sprocket to the front output shaft flange.