The Flywheel Magneto is made up of components including this Rotor Assy which is the most expensive.
The Yamaha FLYWHEEL MAGNETO has twenty products enlisted in the schematic.
A sample from the products for the Flywheel Magneto include: Screw, Flat Head, Screw, Pan Head (713), Washer, Spring, Flywheel Magneto Assembly Mitsubishi.