1976 - 2022
YAMAHA LB 80 CHAPPY
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA LB80 Chappy [1976 - 1977]
YAMAHA LB80 Chappy [1989 - 2022]
YAMAHA LB80 II AD,AE [1977 - 1978]
1976 - 1977 YAMAHA LB 80 CHAPPY
Transmision ratio:
| 12 | 13 | 14 | 15 | 16 | ||
| 25 | 2.08 -5.9% | 1.92 -13.2% | 1.79 -19.4% | 1.67 -24.7% | 1.56 -29.4% | |
| 26 | 2.17 -2.2% | 2.00 -9.7% | 1.86 -16.1% | 1.73 -21.7% | 1.62 -26.6% | |
| 28 | 2.33 +5.4% | 2.15 -2.7% | 2.00 -9.7% | 1.87 -15.7% | 1.75 -21.0% | |
| 30 | 2.50 +12.9% | 2.31 +4.2% | 2.14 -3.2% | 2.00 -9.7% | 1.88 -15.3% | |
| 31 | 2.58 +16.7% | 2.38 +7.7% | 2.21 standard | 2.07 -6.7% | 1.94 -12.5% | |
| 32 | 2.67 +20.4% | 2.46 +11.2% | 2.29 +3.2% | 2.13 -3.7% | 2.00 -9.7% | |
| 35 | 2.92 +31.7% | 2.69 +21.6% | 2.50 +12.9% | 2.33 +5.4% | 2.19 -1.2% | |
| 36 | 3.00 +35.5% | 2.77 +25.1% | 2.57 +16.1% | 2.40 +8.4% | 2.25 +1.6% | |
| 37 | 3.08 +39.2% | 2.85 +28.5% | 2.64 +19.4% | 2.47 +11.4% | 2.31 +4.4% | |
| 38 | 3.17 +43.0% | 2.92 +32.0% | 2.71 +22.6% | 2.53 +14.4% | 2.38 +7.3% | |
| 39 | 3.25 +46.8% | 3.00 +35.5% | 2.79 +25.8% | 2.60 +17.4% | 2.44 +10.1% | |
| 41 | 3.42 +54.3% | 3.15 +42.4% | 2.93 +32.3% | 2.73 +23.4% | 2.56 +15.7% | |
| 43 | 3.58 +61.8% | 3.31 +49.4% | 3.07 +38.7% | 2.87 +29.5% | 2.69 +21.4% | |
| 45 | 3.75 +69.4% | 3.46 +56.3% | 3.21 +45.2% | 3.00 +35.5% | 2.81 +27.0% | |
| 48 | 4.00 +80.6% | 3.69 +66.7% | 3.43 +54.8% | 3.20 +44.5% | 3.00 +35.5% | |
| 52 | 4.33 +95.7% | 4.00 +80.6% | 3.71 +67.7% | 3.47 +56.6% | 3.25 +46.8% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Color | Natural |
| Material | Steel |
| Position | Front |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 13 |
| Type | Countershaft |
| Chain pitch | 420 |
| Number of teeth | 14 |
| Type | Countershaft |
| Material | Steel |
| Position | Front |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 16 |