1974 - 1982
YAMAHA DT 125
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA DT125 MX (6 F.H.) [1976 - 1982]
YAMAHA DT125 F [1975 - 1976]
YAMAHA DT125 E [1974 - 1974]
1981 - 1986 YAMAHA DT 125
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 39 | 3.55 +7.0% | 3.25 -1.9% | 3.00 -9.4% | 2.79 -15.9% | 2.60 -21.5% | 2.44 -26.4% | 2.29 -30.7% | |
| 45 | 4.09 +23.5% | 3.75 +13.2% | 3.46 +4.5% | 3.21 -3.0% | 3.00 -9.4% | 2.81 -15.1% | 2.65 -20.1% | |
| 47 | 4.27 +29.0% | 3.92 +18.2% | 3.62 +9.1% | 3.36 +1.3% | 3.13 -5.4% | 2.94 -11.3% | 2.76 -16.5% | |
| 48 | 4.36 +31.7% | 4.00 +20.8% | 3.69 +11.5% | 3.43 +3.5% | 3.20 -3.4% | 3.00 -9.4% | 2.82 -14.8% | |
| 49 | 4.45 +34.5% | 4.08 +23.3% | 3.77 +13.8% | 3.50 +5.7% | 3.27 -1.4% | 3.06 -7.5% | 2.88 -13.0% | |
| 50 | 4.55 +37.2% | 4.17 +25.8% | 3.85 +16.1% | 3.57 +7.8% | 3.33 +0.6% | 3.12 -5.7% | 2.94 -11.2% | |
| 51 | 4.64 +40.0% | 4.25 +28.3% | 3.92 +18.4% | 3.64 +10.0% | 3.40 +2.6% | 3.19 -3.8% | 3.00 -9.4% | |
| 53 | 4.82 +45.5% | 4.42 +33.3% | 4.08 +23.1% | 3.79 +14.3% | 3.53 +6.7% | 3.31 standard | 3.12 -5.9% | |
| 54 | 4.91 +48.2% | 4.50 +35.8% | 4.15 +25.4% | 3.86 +16.4% | 3.60 +8.7% | 3.38 +1.9% | 3.18 -4.1% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Type | Countershaft |
| Units | Each |
| Chain pitch | 428 |
| Number of teeth | 13 |
| Material | Chromoly Steel |
| Color | Natural |
| Outside diameter | 20 mm |
| Position | Front |
| Chain pitch | 428 |
| Number of teeth | 15 |