1990 - 2023
KTM 300 EXC
Rear sprocket - ktm or 42
| JT Sprockets
Fits to:
KTM EXC 300 [2006 - 2017]
KTM EXC 300 TPI Sixdays [2018 - 2023]
KTM EXC 300 [1993 - 2005]
KTM EXC 300 Sixdays [2011 - 2017]
KTM EXC 300 TPI [2018 - 2021]
KTM EGS 300 [1993 - 1997]
KTM EXC 300 [1990 - 1992]
KTM EXC-E 300 [2007 - 2010]
2004 - 2007 KTM 300 EXC
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | ||
| 38 | 3.45 | 3.17 | 2.92 | 2.71 | 2.53 | 2.38 | |
| 40 | 3.64 | 3.33 | 3.08 | 2.86 | 2.67 | 2.50 | |
| 41 | 3.73 | 3.42 | 3.15 | 2.93 | 2.73 | 2.56 | |
| 42 | 3.82 | 3.50 | 3.23 | 3.00 | 2.80 | 2.62 | |
| 44 | 4.00 | 3.67 | 3.38 | 3.14 | 2.93 | 2.75 | |
| 45 | 4.09 | 3.75 | 3.46 | 3.21 | 3.00 | 2.81 | |
| 46 | 4.18 | 3.83 | 3.54 | 3.29 | 3.07 | 2.88 | |
| 47 | 4.27 | 3.92 | 3.62 | 3.36 | 3.13 | 2.94 | |
| 48 | 4.36 | 4.00 | 3.69 | 3.43 | 3.20 | 3.00 | |
| 49 | 4.45 | 4.08 | 3.77 | 3.50 | 3.27 | 3.06 | |
| 50 | 4.55 | 4.17 | 3.85 | 3.57 | 3.33 | 3.12 | |
| 51 | 4.64 | 4.25 | 3.92 | 3.64 | 3.40 | 3.19 | |
| 52 | 4.73 | 4.33 | 4.00 | 3.71 | 3.47 | 3.25 | |
| 53 | 4.82 | 4.42 | 4.08 | 3.79 | 3.53 | 3.31 | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Chain pitch | 520 |
| Type | Drive |
| Units | Each |
| Color | Black| Orange |
| Material | 7075-T6 Aluminum| Carbon Steel |
| Position | Rear |
| Number of teeth | 42 |
| Style | Twinstar |
Product description
Steel outer ring Heat-induction hardened high-carbon steel JT advanced tempering process achieves hardness that could last six times longer than a 7075-T6 aluminum sprocket, enhancing power transfer performance Alu core Lightweight aviation-grade ergal 7075-T6 aluminum Precision made using state of the art laser cutting and CNC equipment, resulting in an ultra lightweight race power design