CDI Box Replacement 5KM-85540-10-00 For Yamaha Grizzly 660 YFM660FG YFM660FA 2002 2008 Boosts Spark Energy Easier Starting Faster Throttle Response Removes Speed Limiter Durable Simple Plug And Play Install
✔️ Replaces multiple part numbers, boosts spark energy, up to 7800 RPM
CDI box replacement for Yamaha Grizzly 660 models from 2002 to 2008. It plugs in as a direct fit, increases spark energy for easier starting and quicker throttle response, and removes the rev limiter to raise max RPM up to 7800. Black durable housing, three-plug, 18-pin configuration, and a 1-year warranty included.
✅ Replaces part numbers: 5KM-85540-10-00 / 5KM-85540-00-00 / 5KM855401000 / 5KM855400000
✅ Increases spark energy for easier starting and snappier throttle response
✅ Removes rev limiter to reach up to 7800 RPM; reverse rev limiter affected
✅ 3-plug, 18-pin configuration in a durable black housing; one-piece unit
💡 What is a CDI box replacement and how does it affect engine performance on a Yamaha Grizzly?
It’s a handy upgrade that boosts spark energy and throttle response, removing rev limits for more usable power.
- Increased spark energy for easier starting and more reliable ignition
- Sharper throttle response and smoother acceleration across RPM
- Higher RPM ceiling up to 7800 RPM for better top-end speed
- Simple plug-and-play installation for quick upgrades