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Sprockets set your gearing. One tooth fewer at the front, or a couple more at the rear, makes the bike pull harder out of corners and lifts the front sooner, at the cost of top speed and higher revs on the highway. Going the other way calms it down. Worn sprockets have hooked or pointed teeth and will wear out a new chain quickly.
Fits 15 models from Aprilia, CFMoto, Kawasaki, Suzuki and Yamaha: see the list below
| Bike | Years | Stock gearing (front / rear) |
|---|---|---|
| Aprilia RS250 | 1995–2003 | 14 / 42 |
| CFMoto CF650GT/NK | 2022 | 15 / 46 |
| CFMoto CF700 CL-X Sport | 2023 | 14 / 46 |
| CFMoto CF700 CL-X | 2021 | 15 / 46 |
| Kawasaki EN650 Vulcan S 650 | 2015–2025 | 15 / 46 |
| Kawasaki ER650 | 2006–2016 | 15 / 46 |
| Kawasaki KLE650 Versys 650 | 2007–2024 | 15 / 46 |
| Kawasaki Ninja 650 | 2017–2024 | 15 / 46 |
| Kawasaki Z650/RS | 2017–2025 | 15 / 46 |
| Suzuki SFV650 Gladius | 2009–2015 | 15 / 46 |
| Suzuki SV650X | 2019–2025 | 15 / 46 |
| Yamaha MT-03 | 2016–2025 | 14 / 43 |
| Yamaha TDR250 | 1988–1991 | 14 / 45 |
| Yamaha TZR250 | 1987–1991 | — |
| Yamaha YZF-R3 | 2015–2025 | 14 / 43 |
Every tooth count of this front sprocket fits the bikes above. Choose the stock count to keep your gearing, or a different one to change it.
Changing tooth counts changes your speedometer reading on most bikes, and may need a different chain length. Replace sprockets and chain together.
| Position | Front (countershaft) |
|---|---|
| Pitch | 520 |
| Material | Steel |
| Style | 289 |
| Tooth counts | 15 |
Ships to the lower 48 and DC. Returns accepted on most items.