2012 - 2015
GAS GAS EC 300 F RACING 4T
Steel front sprocket
| JT Sprockets
Fits to:
GAS GAS 300 EC F [2013 - 2015]
GAS GAS 300 EC F Six Days 4T [2012 - 2012]
2012 - 2016 GAS GAS EC 300 F RACING 4T
Transmision ratio:
| 12 | 13 | 14 | ||
| 41 | 3.42 -7.5% | 3.15 -14.6% | 2.93 -20.7% | |
| 42 | 3.50 -5.2% | 3.23 -12.5% | 3.00 -18.8% | |
| 43 | 3.58 -3.0% | 3.31 -10.4% | 3.07 -16.8% | |
| 44 | 3.67 -0.7% | 3.38 -8.3% | 3.14 -14.9% | |
| 45 | 3.75 +1.6% | 3.46 -6.2% | 3.21 -12.9% | |
| 46 | 3.83 +3.8% | 3.54 -4.2% | 3.29 -11.0% | |
| 47 | 3.92 +6.1% | 3.62 -2.1% | 3.36 -9.1% | |
| 48 | 4.00 +8.3% | 3.69 standard | 3.43 -7.1% | |
| 49 | 4.08 +10.6% | 3.77 +2.1% | 3.50 -5.2% | |
| 50 | 4.17 +12.8% | 3.85 +4.2% | 3.57 -3.3% | |
| 51 | 4.25 +15.1% | 3.92 +6.2% | 3.64 -1.3% | |
| 52 | 4.33 +17.4% | 4.00 +8.3% | 3.71 +0.6% | |
| 53 | 4.42 +19.6% | 4.08 +10.4% | 3.79 +2.5% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Material | Steel |
| Model | Yamaha |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 12 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 13 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 14 |