Woodruff Key Yamaha Aerox / BW's

Description Key AeroxGenuine Yamaha spare partGenuine replacement ignition key / woodruff key / half moon for 50cc 2T Yamaha Aerox / Bw's scooters.Yamaha OEM part no.: 902800301700 Questions about the product

• Brand: Yamaha
• SKU: OE-MAL90280-03017
• Availability: In stock

Notes and Safety Woodruff KeyWhat is the Function of a woodruff key?A woodruff key is a semi-circular key that due to its shape is often called half-moon key. It sits on the crankshaft shaft, which has a recess to accept this small key, and drives the ignition rotor, which also has a recess for it.In short, the ignition wedge provides the connection between the crankshaft and the ignition so that both work in unison.Woodruff keys are very small, but absolutely essential to produce a spark every time the crankshaft rotates.Offset keysThe woodruff key is factory seated on both the crankshaft and in the rotor at a specific point so as not to interfere with ignition timing and thus engine behavi