Why does your 1980 yamaha 1100 xs have no spark?

There are several potential reasons why your 1980 Yamaha 1100 XS might have no spark. Common issues include a faulty ignition coil, a malfunctioning ignition switch, or a broken wire in the ignition system. Additionally, the spark plugs could be worn out or the timing may be off. It's advisable to check the electrical connections and components systematically to diagnose the issue accurately.