1975 - 1984
YAMAHA RS 125
Steel rear sprocket
| JT Sprockets
Fits to:
YAMAHA RS125 UR,MR [1975 - 1975]
YAMAHA RS125 DX [1976 - 1984]
1976 - 1984 YAMAHA RS 125
Transmision ratio:
| 13 | 14 | 15 | ||
| 31 | 2.38 -0.6% | 2.21 -7.7% | 2.07 -13.9% | |
| 35 | 2.69 +12.2% | 2.50 +4.2% | 2.33 -2.8% | |
| 36 | 2.77 +15.4% | 2.57 +7.1% | 2.40 standard | |
| 37 | 2.85 +18.6% | 2.64 +10.1% | 2.47 +2.8% | |
| 38 | 2.92 +21.8% | 2.71 +13.1% | 2.53 +5.6% | |
| 39 | 3.00 +25.0% | 2.79 +16.1% | 2.60 +8.3% | |
| 42 | 3.23 +34.6% | 3.00 +25.0% | 2.80 +16.7% | |
| 43 | 3.31 +37.8% | 3.07 +28.0% | 2.87 +19.4% | |
| 45 | 3.46 +44.2% | 3.21 +33.9% | 3.00 +25.0% | |
| 49 | 3.77 +57.1% | 3.50 +45.8% | 3.27 +36.1% | |
| 54 | 4.15 +73.1% | 3.86 +60.7% | 3.60 +50.0% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 31 |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 35 |
| Side | rear |
| Sprocket material | C49 High Carbon Steel |
| Number of teeth | 36 |
| Chain pitch | 428 |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 37 |
| Color | Natural |
| Position | Rear |
| Type | Drive |
| Units | Each |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 38 |
| Material | C49 High Carbon Steel |
| Color | Natural |
| Position | Rear |
| Type | Drive |
| Units | Each |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 39 |
| Material | C49 High Carbon Steel |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 42 |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 49 |