2010 - 2023
KTM 250 EXC F SIX DAYS
Steel front sprocket
| JT Sprockets
Fits to:
KTM 250 XCF-W Six Days [2011 - 2011]
KTM 250 EXC-F Six Days [2014 - 2021]
KTM 250 EXC-F Six Days [2022 - 2022]
KTM 250 EXC-F Six Days [2012 - 2013]
KTM 250 EXC-F Six Days [2010 - 2011]
KTM 250 EXC-F Six Days [2023 - 2023]
2010 - 2011 KTM 250 EXC F SIX DAYS
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | ||
| 38 | 3.45 -13.6% | 3.17 -20.8% | 2.92 -26.9% | 2.71 -32.1% | 2.53 -36.7% | 2.38 -40.6% | |
| 40 | 3.64 -9.1% | 3.33 -16.7% | 3.08 -23.1% | 2.86 -28.6% | 2.67 -33.3% | 2.50 -37.5% | |
| 41 | 3.73 -6.8% | 3.42 -14.6% | 3.15 -21.2% | 2.93 -26.8% | 2.73 -31.7% | 2.56 -35.9% | |
| 42 | 3.82 -4.5% | 3.50 -12.5% | 3.23 -19.2% | 3.00 -25.0% | 2.80 -30.0% | 2.62 -34.4% | |
| 44 | 4.00 standard | 3.67 -8.3% | 3.38 -15.4% | 3.14 -21.4% | 2.93 -26.7% | 2.75 -31.2% | |
| 45 | 4.09 +2.3% | 3.75 -6.2% | 3.46 -13.5% | 3.21 -19.6% | 3.00 -25.0% | 2.81 -29.7% | |
| 46 | 4.18 +4.5% | 3.83 -4.2% | 3.54 -11.5% | 3.29 -17.9% | 3.07 -23.3% | 2.88 -28.1% | |
| 47 | 4.27 +6.8% | 3.92 -2.1% | 3.62 -9.6% | 3.36 -16.1% | 3.13 -21.7% | 2.94 -26.6% | |
| 48 | 4.36 +9.1% | 4.00 standard | 3.69 -7.7% | 3.43 -14.3% | 3.20 -20.0% | 3.00 -25.0% | |
| 49 | 4.45 +11.4% | 4.08 +2.1% | 3.77 -5.8% | 3.50 -12.5% | 3.27 -18.3% | 3.06 -23.4% | |
| 50 | 4.55 +13.6% | 4.17 +4.2% | 3.85 -3.8% | 3.57 -10.7% | 3.33 -16.7% | 3.12 -21.9% | |
| 51 | 4.64 +15.9% | 4.25 +6.2% | 3.92 -1.9% | 3.64 -8.9% | 3.40 -15.0% | 3.19 -20.3% | |
| 52 | 4.73 +18.2% | 4.33 +8.3% | 4.00 standard | 3.71 -7.1% | 3.47 -13.3% | 3.25 -18.8% | |
| 53 | 4.82 +20.5% | 4.42 +10.4% | 4.08 +1.9% | 3.79 -5.4% | 3.53 -11.7% | 3.31 -17.2% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Color | Natural |
| Material | Steel |
| Position | Front |
| Units | Each |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 11 |
| Type | Countershaft |
| Material | Steel |
| Position | Front |
| Units | Each |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 12 |
| Type | Countershaft |
| Number of teeth | 13 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Chain pitch | 520 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Number of teeth | 14 |
| Chain pitch | 520 |
| Number of teeth | 15 |
| Position | Front |
| Units | Each |
| Type | Countershaft |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Material | Steel |