ROTAX – 958856 – Sprag Clutch – Certified

Engine starter sprag clutch designed for Rotax aircraft engine applications, providing one-way engagement between the starter system and the crankshaft. This component allows the starter to drive the engine during cranking while automatically disengaging once the engine starts, preventing back-drive damage to the starter system. The “certified” designation indicates conformity to applicable Rotax-approved maintenance and traceability requirements for certified aircraft installations.

Application: Rotax 912 / 912S / 912ULS / 914 engine starter drive systems
Function: Enables one-way torque transfer from starter motor to crankshaft during engine start, then freewheels to protect the starter once the engine is running