When it comes to your motorcycle’s electrical and ignition systems, there’s a lot to know about diagnosis and repair. One potential complication involves your bike’s CDI box. But what is a CDI box on ...

MSD has been making these iconic red ignition boxes since the early ’80s. Since then hundreds of thousands of these units have found their way onto everything from street cars to serious racing ...

In the mid-’90’s, Honda began placing the coil outside of the distributor; a technique that produces greater spark efficiency for their larger-displacement engines. This elevated level of efficiency ...