Kawasaki Z900 (2025–2026)
Sprockets & Gearing
The Kawasaki Z900 (2025–2026) runs a 15T front sprocket and a 43T rear sprocket.
Sprockets & Gearing
Front sprocket (OEM)15TDerived from this generation's own final drive reduction ratio 2.867 (43/15), confirmed from the general specifications page — tooth counts aren't printed as a standalone spec
Rear sprocket (OEM)43TDerived from this generation's own final drive reduction ratio 2.867 (43/15) — genuinely different from the 2020-2025 gen's 44T (2.933 ratio), confirmed from this generation's own general specifications page
Chain size525
FAQ
What is the stock front sprocket size on the Kawasaki Z900 (2025–2026)?
15T (OEM).
What is the stock rear sprocket size?
43T (OEM).