1999 - 2018
YAMAHA YZ 450 FX
Rear sprocket
| JR
JR
Fits to:
YAMAHA YZ [1999 - 2018]
2019 - 2020 YAMAHA YZ 450 FX
Transmision ratio:
| 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
| 38 | 3.17 -17.7% | 2.92 -24.0% | 2.71 -29.4% | 2.53 -34.1% | 2.38 -38.2% | 2.24 -41.9% | 2.11 -45.1% | |
| 46 | 3.83 -0.3% | 3.54 -8.0% | 3.29 -14.6% | 3.07 -20.3% | 2.88 -25.2% | 2.71 -29.6% | 2.56 -33.6% | |
| 47 | 3.92 +1.8% | 3.62 -6.0% | 3.36 -12.7% | 3.13 -18.5% | 2.94 -23.6% | 2.76 -28.1% | 2.61 -32.1% | |
| 48 | 4.00 +4.0% | 3.69 -4.0% | 3.43 -10.9% | 3.20 -16.8% | 3.00 -22.0% | 2.82 -26.6% | 2.67 -30.7% | |
| 49 | 4.08 +6.2% | 3.77 -2.0% | 3.50 -9.0% | 3.27 -15.1% | 3.06 -20.4% | 2.88 -25.1% | 2.72 -29.2% | |
| 50 | 4.17 +8.3% | 3.85 standard | 3.57 -7.1% | 3.33 -13.3% | 3.12 -18.8% | 2.94 -23.5% | 2.78 -27.8% | |
| 51 | 4.25 +10.5% | 3.92 +2.0% | 3.64 -5.3% | 3.40 -11.6% | 3.19 -17.1% | 3.00 -22.0% | 2.83 -26.3% | |
| 52 | 4.33 +12.7% | 4.00 +4.0% | 3.71 -3.4% | 3.47 -9.9% | 3.25 -15.5% | 3.06 -20.5% | 2.89 -24.9% | |
Specifications
| Manufacturer | JR |
|---|---|
| Number of teeth | 51 |
| Chain pitch | 520 |
| Color | Gold |
| Material | Aluminum T7075 (Ergal) |