Description
If you’re running a Yamaha ATV and want to unlock higher RPM performance with more aggressive ignition timing, Rick’s Motorsport CDI Box is a direct bolt-on upgrade that replaces your stock unit. This enhanced CDI delivers a faster spark advance curve, allowing your engine to rev quicker and sustain higher RPM limits—ideal for competition or high-demand trail riding. It’s also a reliable OEM replacement if your current CDI has failed.
- Multiple spark capability
- Increased RPM redline
- Altered ignition advance curve
- Quicker rev acceleration
- Bolt-on installation
- OEM replacement compatible
- Yamaha 15-427 fitment
- Stock machine compatible
