Figure 5-5.--Starting motor with an overrunning clutch drive and a solenoid-operated switch.
What are overrunning clutches?
A & I Products Overrunning Clutch, Key Type, Type F5/1R-Right, 1 3/8" 21 Spline, W/ Ball Type QD 7" x4" x4" A-W367685 | Zoro
Complete Freewheels/Backstop/Overrunning Clutch with Sprags (FRS400) - China Backstop and Sprag Clutch
Machines | Free Full-Text | Design and Test of a New Type of Overrunning Clutch
As8 One Way Clutches Roller Type (8x24x8mm) With Freewheel Cage Tlanmp Overrunning Clutch Gearbox Clutch - Motorcycle Standard Parts & Bearings - AliExpress