CDI Box Replacement For Yamaha Tri-Moto YTM 225 Moto-4 YFM 200 29U-85540-21-00 Easy Install, Durable CDI Module, Spark Ignition Box For 1983 1985 Yamaha Quad Models, Improve Starting, Smooth Running

High-quality CDI replacement for Yamaha ATVs
✔️ Compatible with YTM 225 (1983-1985) and YFM 200 (1985-1989), part 29U-85540-21-00, easy install for better spark and smooth operation

This CDI box is an essential ignition component for Yamaha Tri-Moto and Moto-4 models, typically found in off-road ATVs from the 1980s. It's used to fix starting problems and ensure reliable performance during trails or daily rides.

✅ Replacement part number: 29U-85540-21-00, fits one unit per package for straightforward swaps
✅ Works with Yamaha YTM 225 from 1983-1985 and YFM 200 from 1985-1989, boosting ignition reliability
✅ Simple installation process that matches original specs, ideal for quick at-home repairs

💡 How does a CDI box enhance ignition in powersports vehicles? A CDI box is crucial for managing spark in engines like those in ATVs. - It controls timing to prevent misfires and improve cold starts - Delivers consistent power for better acceleration on rough terrain - Reduces the risk of breakdowns by stabilizing electronic ignition systems