Used Kawasaki 1972 H1 500 B Mach 3 H1 Ignition Coil Left or Right
One coil tests out at 14 ohms primary side & 9.8 k secondary side
The other is 25 ohms primary side & 7.7k secondary side.
Both coils will need new wires and spark plug caps.
This is for one coil sold each.
Part Number: 21121-055 Ignition Coil
Came off of a 1972 model
But please check for your application.