1999 - 2018
YAMAHA WR 250 F
Rear sprocket 52 tooth pitch 520 jtr245252
| JT Sprockets
Fits to:
YAMAHA WRF [1999 - 2018]
2018 - 2021 YAMAHA WR 250 F
Transmision ratio:
| 12 | 13 | 14 | ||
| 38 | 3.17 -19.3% | 2.92 -25.5% | 2.71 -30.8% | |
| 46 | 3.83 -2.3% | 3.54 -9.8% | 3.29 -16.2% | |
| 47 | 3.92 -0.2% | 3.62 -7.8% | 3.36 -14.4% | |
| 48 | 4.00 +2.0% | 3.69 -5.9% | 3.43 -12.6% | |
| 49 | 4.08 +4.1% | 3.77 -3.9% | 3.50 -10.8% | |
| 50 | 4.17 +6.2% | 3.85 -2.0% | 3.57 -9.0% | |
| 51 | 4.25 +8.3% | 3.92 standard | 3.64 -7.1% | |
| 52 | 4.33 +10.5% | 4.00 +2.0% | 3.71 -5.3% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Side | rear |
| Number of teeth | 52 |
| Chain pitch | 520 |