Plug And Play CDI Box Unit Replacement For Yamaha 660 ATV 2002 2003 2004 2005 2006 2007 2008 Fits 5KM-85540-10-00 5KM-85540-00-00 5KM855401000 5KM855400000 Reliable Ignition Module Upgrade
✔️ Compatible CDI module for 5KM-85540-10-00/00, 2002-2008 engines
This single-unit CDI box replaces the factory ignition module on 660cc ATV models manufactured between 2002 and 2008. It ensures consistent spark timing and reliable starts, making it a practical upgrade for off-road riders who demand dependable ignition performance.
✅ Fits part numbers: 5KM-85540-10-00, 5KM-85540-00-00, 5KM855401000, 5KM855400000
✅ Plug-and-play installation with standard wiring harness
✅ Durable construction for rugged ATV use and long life
✅ Improves ignition reliability for 2002-2008 660cc engines
✅ Provides a reliable ignition module upgrade for smoother starts
💡 What is a plug-and-play CDI box and how does it upgrade ignition on a 660 ATV?
It offers a handy upgrade that improves starting reliability and spark consistency.
- Handy ignition timing improvement
- Reliable spark under load for easier starts
- Simple, tool-free installation and compatible with 5KM part numbers