Pro Grade CDI Box Replacement For Yamaha YFZ 450 And Honda ATVs, A Solid Fit For CRF450R And TRX 450R, Plus 150cc, 125cc And 50cc Scooters, Compatible With 5TG-85540-00-00 And 5TG-85540-10-00

Single CDI Box Replacement for Yamaha YFZ 450 and Honda ATVs
✔️ Single unit CDI box replacement fits Yamaha YFZ 450 and Honda ATVs

This CDI box is a direct ignition timing controller replacement designed for the Yamaha YFZ 450 family and compatible Honda CRF450R and TRX 450R, plus 150cc, 125cc, and 50cc scooters. It slides into the stock harness with two plugs and 12 pins, providing solid electrical contact and reliable performance in rugged riding conditions.

✅ Replacement part compatible with 5TG-85540-00-00 and 5TG-85540-10-00 for accurate swap
✅ 2 plugs and 12 pins for stable electrical connections across models
✅ Exact dimensions match OEM: 36 mm height, 86 mm length, 81 mm width
✅ Fits Yamaha YFZ 450, Honda CRF450R and TRX 450R, plus 50/125/150cc scooters

💡 What is a CDI box replacement used for in ATV electrical systems and how does it help engine performance? This handy guide explains the basics and uses. - Improves ignition timing consistency across Yamaha YFZ 450 and Honda ATVs - Supports reliable starts and smoother idle in off-road riding - Matches 5TG-85540-00-00 and 5TG-85540-10-00 compatibility