Yamaha MT-125 (2023+)
Sprockets & Gearing
The Yamaha MT-125 (2023+) runs a 14T front sprocket and a 52T rear sprocket.
Sprockets & Gearing
Front sprocket (OEM)14TDerived from the secondary reduction ratio 3.714 (52/14) — tooth counts aren't printed as a standalone spec
Rear sprocket (OEM)52TDerived from the secondary reduction ratio 3.714 (52/14) — tooth counts aren't printed as a standalone spec
Chain size428
FAQ
What is the stock front sprocket size on the Yamaha MT-125 (2023+)?
14T (OEM).
What is the stock rear sprocket size?
52T (OEM).