1980 - 1981
YAMAHA IT 125
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA IT125 G,H [1980 - 1981]
1980 - 1981 YAMAHA IT 125
Transmision ratio:
| 12 | 13 | 14 | 15 | ||
| 40 | 3.33 -13.0% | 3.08 -19.7% | 2.86 -25.5% | 2.67 -30.4% | |
| 41 | 3.42 -10.9% | 3.15 -17.7% | 2.93 -23.6% | 2.73 -28.7% | |
| 43 | 3.58 -6.5% | 3.31 -13.7% | 3.07 -19.9% | 2.87 -25.2% | |
| 45 | 3.75 -2.2% | 3.46 -9.7% | 3.21 -16.1% | 3.00 -21.7% | |
| 46 | 3.83 standard | 3.54 -7.7% | 3.29 -14.3% | 3.07 -20.0% | |
| 47 | 3.92 +2.2% | 3.62 -5.7% | 3.36 -12.4% | 3.13 -18.3% | |
| 48 | 4.00 +4.3% | 3.69 -3.7% | 3.43 -10.6% | 3.20 -16.5% | |
| 49 | 4.08 +6.5% | 3.77 -1.7% | 3.50 -8.7% | 3.27 -14.8% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Material | Steel |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Number of teeth | 13 |
| Chain pitch | 520 |
| Material | Steel |
| Position | Front |
| Units | Each |
| Chain pitch | 520 |
| Number of teeth | 14 |
| Type | Countershaft |
| Chain pitch | 520 |
| Number of teeth | 15 |