Aluminum rear sprocket - 51 teeth, silver | MOOSE RACING
MOOSE RACING
Exact fit to:
YAMAHA YZ 250 [1987 - 2018
YAMAHA YZ 250 [1974 - 2022
YAMAHA YZ 250 [1987 - 2017
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 | MOOSE RACING |
|---|---|
| Product code | 1211-251-51-11 |
| Number of teeth | 51 |
| Color | Silver |
| Material | Aluminum |
| Chain pitch | 520 |
| Position | Rear |
| Type | Drive |
| Units | Each |
Product description
The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets 100% machined, no stamping or grinding Optimal tooth thickness results in maximum tooth and chain contact
Fits to following motorcycles:
YAMAHA YZ 400 F (1998 - 1999), YAMAHA YZ 250 F (2001 - 2019), HONDA XR 500 R (1979 - 1984), HONDA XR 350 R (1983 - 1985), HONDA XR 250 (1984 - 1994), YAMAHA WR 400 F (1999 - 2002), YAMAHA WR 426 F (2001 - 2002), YAMAHA YZ 426 F (2000 - 2002), YAMAHA WR 250 F (2007 - 2018), YAMAHA YZ 450 F (2003 - 2019), YAMAHA WR 450 F (2003 - 2018), YAMAHA YZ 250 X (2016 - 2019), YAMAHA YZ 450 FX (2016 - 2022), YAMAHA TT R 230 (2005 - 2017), YAMAHA YZ 125 (1999 - 2019), YAMAHA YZ 250 (1974 - 2022), YAMAHA YZ 250 FX (2015 - 2018)