This is a repair service for your CDI Unit. The Test Fee is $55, but the repair will be an additional $140.
We can repair your Yamaha YFM400 Big Bear 400.
By purchasing this service through the website we will email you a prepaid USPS shipping label ( Domestic orders)
Your original CDI Unit will need to be sent in first for repair.
If your unit is beyond repair, then there will be no cost.
The factory unit may have these numbers stamped on it : 5FU-00, F8T36471