1993 - 2006
YAMAHA TT R 250
Steel front sprocket
| JT Sprockets
Fits to:
YAMAHA TT250 R [1996 - 1998]
YAMAHA TT250 R [2003 - 2004]
YAMAHA TT-R250 [1999 - 2006]
YAMAHA TT250 R LW [1999 - 2000]
YAMAHA TT250 R [1993 - 1995]
1999 - 2006 YAMAHA TT R 250
Transmision ratio:
| 13 | 14 | 15 | ||
| 38 | 2.92 -26.9% | 2.71 -32.1% | 2.53 -36.7% | |
| 40 | 3.08 -23.1% | 2.86 -28.6% | 2.67 -33.3% | |
| 41 | 3.15 -21.2% | 2.93 -26.8% | 2.73 -31.7% | |
| 42 | 3.23 -19.2% | 3.00 -25.0% | 2.80 -30.0% | |
| 43 | 3.31 -17.3% | 3.07 -23.2% | 2.87 -28.3% | |
| 44 | 3.38 -15.4% | 3.14 -21.4% | 2.93 -26.7% | |
| 45 | 3.46 -13.5% | 3.21 -19.6% | 3.00 -25.0% | |
| 46 | 3.54 -11.5% | 3.29 -17.9% | 3.07 -23.3% | |
| 47 | 3.62 -9.6% | 3.36 -16.1% | 3.13 -21.7% | |
| 48 | 3.69 -7.7% | 3.43 -14.3% | 3.20 -20.0% | |
| 49 | 3.77 -5.8% | 3.50 -12.5% | 3.27 -18.3% | |
| 50 | 3.85 -3.8% | 3.57 -10.7% | 3.33 -16.7% | |
| 51 | 3.92 -1.9% | 3.64 -8.9% | 3.40 -15.0% | |
| 52 | 4.00 standard | 3.71 -7.1% | 3.47 -13.3% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Material | Steel |
| Model | Yamaha |
| Position | Front |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 13 |
| Type | Countershaft |
| Units | Each |
| Color | Natural |
| Material | Chromoly Steel |
| Position | Front |
| Units | Each |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 14 |
| Type | Countershaft |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 15 |