1981 - 2001
YAMAHA YZ 80
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA YZ80 S,T,U,W,A,B,D [1986 - 1992]
YAMAHA YZ80 N [1985 - 1985]
YAMAHA YZ80 H,J [1981 - 1982]
YAMAHA YZ80 F,G,H,J,K,L,M,N Large Wheel [1994 - 2001]
YAMAHA YZ80 E,F,G,H,J,K,L,M,N [1993 - 2001]
YAMAHA YZ80 L [1984 - 1984]
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 |
|---|---|
| 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 |