Yamaha YZF-R1 (2002–2003)
Sprockets & Gearing
The Yamaha YZF-R1 (2002–2003) runs a 16T front sprocket and a 43T rear sprocket.
Sprockets & Gearing
Front sprocket (OEM)16TDerived from the secondary reduction ratio 2.688 (43/16)
Rear sprocket (OEM)43TDerived from the secondary reduction ratio 2.688 (43/16)
Chain size50VA8 (DAIDO)Manual doesn't print a conventional pitch/width code (e.g. 525/530), only the manufacturer's model designation
FAQ
What is the stock front sprocket size on the Yamaha YZF-R1 (2002–2003)?
16T (OEM).
What is the stock rear sprocket size?
43T (OEM).