Rear sprocket - 48 teeth | JT Sprockets
Exact fit to:
YAMAHA YZ 250 [2019 - 2021]
YAMAHA YZ 250 [1999 - 2017]
YAMAHA YZ 250 [1999 - 2018]
2022 - 2022 YAMAHA YZ 250
Transmision ratio:
| 12 | 13 | 14 | ||
| 38 | 3.17 -17.7% | 2.92 -24.0% | 2.71 -29.4% | |
| 46 | 3.83 -0.3% | 3.54 -8.0% | 3.29 -14.6% | |
| 47 | 3.92 +1.8% | 3.62 -6.0% | 3.36 -12.7% | |
| 48 | 4.00 +4.0% | 3.69 -4.0% | 3.43 -10.9% | |
| 49 | 4.08 +6.2% | 3.77 -2.0% | 3.50 -9.0% | |
| 50 | 4.17 +8.3% | 3.85 standard | 3.57 -7.1% | |
| 51 | 4.25 +10.5% | 3.92 +2.0% | 3.64 -5.3% | |
| 52 | 4.33 +12.7% | 4.00 +4.0% | 3.71 -3.4% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Product code | JTX251.48GLD |
| 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
Fits to following motorcycles:
YAMAHA WR 250 F (2007 - 2021), YAMAHA YZ 125 (1999 - 2022), YAMAHA YZ 250 (1999 - 2021), YAMAHA YZ 400 F (1998 - 1999), YAMAHA YZ 250 F (2001 - 2021), YAMAHA YZ 450 F (2003 - 2021), YAMAHA WR 400 F (1999 - 2002), HONDA XR 500 R (1979 - 1984), HONDA XR 350 R (1983 - 1985), YAMAHA WR 426 F (2001 - 2002), YAMAHA WR 450 F (2003 - 2018), HONDA XR 250 (1984 - 1994), YAMAHA TT R 230 (2005 - 2022), YAMAHA YZ 426 F (2000 - 2002), YAMAHA YZ 250 FX (2015 - 2022), YAMAHA YZ 250 X (2016 - 2022), YAMAHA YZ 450 FX (2016 - 2022)