1972 - 1994
YAMAHA SR 125
Steel rear sprocket
| JT Sprockets
Fits to:
YAMAHA SR125 [1972 - 1982]
YAMAHA SR125 SE [1980 - 1994]
1987 - 2002 YAMAHA SR 125
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 44 | 4.00 +14.3% | 3.67 +4.8% | 3.38 -3.3% | 3.14 -10.2% | 2.93 -16.2% | 2.75 -21.4% | 2.59 -26.1% | |
| 45 | 4.09 +16.9% | 3.75 +7.1% | 3.46 -1.1% | 3.21 -8.2% | 3.00 -14.3% | 2.81 -19.6% | 2.65 -24.4% | |
| 46 | 4.18 +19.5% | 3.83 +9.5% | 3.54 +1.1% | 3.29 -6.1% | 3.07 -12.4% | 2.88 -17.9% | 2.71 -22.7% | |
| 47 | 4.27 +22.1% | 3.92 +11.9% | 3.62 +3.3% | 3.36 -4.1% | 3.13 -10.5% | 2.94 -16.1% | 2.76 -21.0% | |
| 48 | 4.36 +24.7% | 4.00 +14.3% | 3.69 +5.5% | 3.43 -2.0% | 3.20 -8.6% | 3.00 -14.3% | 2.82 -19.3% | |
| 49 | 4.45 +27.3% | 4.08 +16.7% | 3.77 +7.7% | 3.50 standard | 3.27 -6.7% | 3.06 -12.5% | 2.88 -17.6% | |
| 50 | 4.55 +29.9% | 4.17 +19.0% | 3.85 +9.9% | 3.57 +2.0% | 3.33 -4.8% | 3.12 -10.7% | 2.94 -16.0% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Chain pitch | 428 |
| Sprocket material | C49 High Carbon Steel |
| Number of teeth | 45 |
| Chain pitch | 428 |
| Number of teeth | 47 |
| Sprocket material | C49 High Carbon Steel |
| Color | Natural |
| Position | Rear |
| Type | Drive |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 48 |
| Material | C49 High Carbon Steel |
| Units | Each |
| Color | Natural |
| Type | Drive |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 50 |
| Material | C49 High Carbon Steel |
| Position | Rear |
| Units | Each |
| Color | Natural |
| Position | Rear |
| Type | Drive |
| Units | Each |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 51 |
| Material | C49 High Carbon Steel |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 53 |
| Sprocket material | C49 High Carbon Steel |
| Chain pitch | 428 |
| Number of teeth | 54 |