Removing the front cover on a Mio i 125 usually breaks three clips. The PDF shows the exact screw locations and the direction to pull the panel (horizontal vs. vertical). Save yourself $50 in broken plastics.
If you are searching the PDF but missing a part (e.g., the ECU or specific wiring harness): yamaha mio i 125 parts catalogue pdf top
This tutorial explains how to locate, evaluate, and use a Yamaha Mio i 125 parts catalogue PDF — focusing on getting the best (top) results, verifying authenticity, extracting the parts you need, and avoiding poor or unsafe sources. Removing the front cover on a Mio i
The most accurate source is the Yamaha Electronic Parts Catalogue (EPC), used by dealerships. You cannot directly download this as a public user, but you can request printed pages from a dealer. Save yourself $50 in broken plastics