A lightweight alternative to the original equipment manufacturer (OEM) flywheel nut. It's item #7 on the diagram, offering a great replacement option for your Yamaha.

This Yamaha flywheel ignition nut is easy to use. First, remove the old nut carefully from the flywheel. Then, simply screw on this new lightweight aluminum nut tightly. When using it, make sure not to over - tighten as it might damage the nut or the flywheel. For maintenance, occasionally check if the nut is loose. If it is, gently tighten it. Keep it clean by wiping it with a dry cloth to prevent rust and ensure long - lasting performance.