1974 - 1977
YAMAHA YZ 80
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA YZ80 A,B,C,D [1974 - 1977]
1974 - 1992 YAMAHA YZ 80
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 46 | 4.18 +22.0% | 3.83 +11.8% | 3.54 +3.2% | 3.29 -4.2% | 3.07 -10.6% | 2.88 -16.1% | 2.71 -21.1% | |
| 47 | 4.27 +24.6% | 3.92 +14.2% | 3.62 +5.4% | 3.36 -2.1% | 3.13 -8.6% | 2.94 -14.3% | 2.76 -19.4% | |
| 48 | 4.36 +27.3% | 4.00 +16.7% | 3.69 +7.7% | 3.43 standard | 3.20 -6.7% | 3.00 -12.5% | 2.82 -17.6% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 11 |
| Material | Steel |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 12 |
| Material | Steel |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 13 |
| Material | Steel |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 14 |
| Material | Steel |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Chain pitch | 420 |
| Number of teeth | 15 |
| Material | Chromoly Steel |
| Color | Natural |
| Chain pitch | 420 |
| Number of teeth | 16 |
| Chain pitch | 420 |
| Number of teeth | 17 |