2007 - 2021
YAMAHA WR 250 F
Rear sprocket - 48 teeth
| JT Sprockets
Fits to:
YAMAHA WR 250 F Enduro GP [2018 - 2018]
YAMAHA WR 250 F [2007 - 2021]
YAMAHA WR 250 F [2007 - 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 |
|---|---|
| Color | Black| Gold |
| Chain pitch | 520 |
| Position | Rear |
| Style | Twinstar |
| Units | Each |
| Material | 7075-T6 Aluminum| Carbon Steel |
| Number of teeth | 48 |
| Type | Drive |
Product description
Steel outer ring Heat-induction hardened high-carbon steel JT advanced tempering process achieves hardness that could last six times longer than a 7075-T6 aluminum sprocket, enhancing power transfer performance Alu core Lightweight aviation-grade ergal 7075-T6 aluminum Precision made using state of the art laser cutting and CNC equipment, resulting in an ultra lightweight race power design