1987 - 2021
YAMAHA YZ 250
Rear steel sprocket - yamaha - 51 teeth
| JT Sprockets
Fits to:
YAMAHA YZ 250 [1999 - 2017]
YAMAHA YZ 250 [2019 - 2021]
YAMAHA YZ 250 [1987 - 2018
1996 - 2001 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 |
|---|---|
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