What is the firing order on a 1980 Yamaha 750 XS special?

The firing order for the 1980 Yamaha XS 750 Special is 1-2-3. This means that the cylinders fire in a sequence starting with cylinder 1, followed by cylinder 2, and then cylinder 3. The engine is a three-cylinder, four-stroke configuration, and this firing order is essential for maintaining smooth operation and proper engine balance.