Motorcycle Sprocket Size/Ratio Calculator
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Yamaha YZ450F (2006-2009)
| Front | Rear | Chain | Links | |
| Yamaha YZ450F (2006-2009) | 13 | 49 | 520 | 114 |
Select current size of front and rear sprockets
as well as the new sizes.
as well as the new sizes.
| Front | Rear | Ratio | Torque | Speed |
| 13T | 47T | 3.62 | -4.3% | +4.3% |
| 13T | 48T | 3.69 | -2.1% | +2.1% |
| 13T | 49T | 3.77 | ||
| 13T | 50T | 3.85 | +2.0% | -2.0% |
| 13T | 51T | 3.92 | +3.9% | -3.9% |
| 13T | 52T | 4.00 | +5.8% | -5.8% |
| 13T | 53T | 4.08 | +7.5% | -7.5% |
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