1999 - 2021
YAMAHA YZ 250
Rear steel sprocket for yamaha gr 50
| JT Sprockets
Fits to:
YAMAHA YZ 250 [2019 - 2021]
YAMAHA YZ 250 [1999 - 2017]
YAMAHA YZ 250 [1999 - 2018]
1980 - 1980 YAMAHA YZ 250
Transmision ratio:
| 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
| 38 | 3.17 -11.3% | 2.92 -18.2% | 2.71 -24.0% | 2.53 -29.1% | 2.38 -33.5% | 2.24 -37.4% | 2.11 -40.9% | |
| 46 | 3.83 +7.3% | 3.54 -0.9% | 3.29 -8.0% | 3.07 -14.1% | 2.88 -19.5% | 2.71 -24.2% | 2.56 -28.4% | |
| 47 | 3.92 +9.7% | 3.62 +1.2% | 3.36 -6.0% | 3.13 -12.3% | 2.94 -17.8% | 2.76 -22.6% | 2.61 -26.9% | |
| 48 | 4.00 +12.0% | 3.69 +3.4% | 3.43 -4.0% | 3.20 -10.4% | 3.00 -16.0% | 2.82 -20.9% | 2.67 -25.3% | |
| 49 | 4.08 +14.3% | 3.77 +5.5% | 3.50 -2.0% | 3.27 -8.5% | 3.06 -14.2% | 2.88 -19.3% | 2.72 -23.8% | |
| 50 | 4.17 +16.7% | 3.85 +7.7% | 3.57 standard | 3.33 -6.7% | 3.12 -12.5% | 2.94 -17.6% | 2.78 -22.2% | |
| 51 | 4.25 +19.0% | 3.92 +9.8% | 3.64 +2.0% | 3.40 -4.8% | 3.19 -10.8% | 3.00 -16.0% | 2.83 -20.7% | |
| 52 | 4.33 +21.3% | 4.00 +12.0% | 3.71 +4.0% | 3.47 -2.9% | 3.25 -9.0% | 3.06 -14.4% | 2.89 -19.1% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Color | Graphite |
| Position | Rear |
| Number of teeth | 50 |
| Style | Twinstar |
| Units | Each |
Product description
Computer-designed to achieve ultimate strength at minimum weight JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry Sprockets are heat-treated and bead-blasted to reduce material surface tension