1974 - 1984
YAMAHA TY 80
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA TY80 [1974 - 1984]
1974 - 1984 YAMAHA TY 80
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 30 | 2.73 -20.2% | 2.50 -26.8% | 2.31 -32.5% | 2.14 -37.3% | 2.00 -41.5% | 1.88 -45.1% | 1.76 -48.4% | |
| 32 | 2.91 -14.9% | 2.67 -22.0% | 2.46 -28.0% | 2.29 -33.1% | 2.13 -37.6% | 2.00 -41.5% | 1.88 -44.9% | |
| 37 | 3.36 -1.6% | 3.08 -9.8% | 2.85 -16.7% | 2.64 -22.6% | 2.47 -27.8% | 2.31 -32.3% | 2.18 -36.3% | |
| 38 | 3.45 +1.1% | 3.17 -7.3% | 2.92 -14.4% | 2.71 -20.6% | 2.53 -25.9% | 2.38 -30.5% | 2.24 -34.6% | |
| 39 | 3.55 +3.8% | 3.25 -4.9% | 3.00 -12.2% | 2.79 -18.5% | 2.60 -23.9% | 2.44 -28.7% | 2.29 -32.9% | |
| 40 | 3.64 +6.4% | 3.33 -2.4% | 3.08 -9.9% | 2.86 -16.4% | 2.67 -22.0% | 2.50 -26.8% | 2.35 -31.1% | |
| 41 | 3.73 +9.1% | 3.42 standard | 3.15 -7.7% | 2.93 -14.3% | 2.73 -20.0% | 2.56 -25.0% | 2.41 -29.4% | |
| 42 | 3.82 +11.8% | 3.50 +2.4% | 3.23 -5.4% | 3.00 -12.2% | 2.80 -18.0% | 2.62 -23.2% | 2.47 -27.7% | |
| 44 | 4.00 +17.1% | 3.67 +7.3% | 3.38 -0.9% | 3.14 -8.0% | 2.93 -14.1% | 2.75 -19.5% | 2.59 -24.2% | |
| 45 | 4.09 +19.7% | 3.75 +9.8% | 3.46 +1.3% | 3.21 -5.9% | 3.00 -12.2% | 2.81 -17.7% | 2.65 -22.5% | |
| 46 | 4.18 +22.4% | 3.83 +12.2% | 3.54 +3.6% | 3.29 -3.8% | 3.07 -10.2% | 2.88 -15.9% | 2.71 -20.8% | |
| 48 | 4.36 +27.7% | 4.00 +17.1% | 3.69 +8.1% | 3.43 +0.3% | 3.20 -6.3% | 3.00 -12.2% | 2.82 -17.4% | |
| 49 | 4.45 +30.4% | 4.08 +19.5% | 3.77 +10.3% | 3.50 +2.4% | 3.27 -4.4% | 3.06 -10.4% | 2.88 -15.6% | |
| 50 | 4.55 +33.0% | 4.17 +22.0% | 3.85 +12.6% | 3.57 +4.5% | 3.33 -2.4% | 3.12 -8.5% | 2.94 -13.9% | |
| 51 | 4.64 +35.7% | 4.25 +24.4% | 3.92 +14.8% | 3.64 +6.6% | 3.40 -0.5% | 3.19 -6.7% | 3.00 -12.2% | |
| 52 | 4.73 +38.4% | 4.33 +26.8% | 4.00 +17.1% | 3.71 +8.7% | 3.47 +1.5% | 3.25 -4.9% | 3.06 -10.5% | |
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 |