Steel front sprocket -JTF1590.13 pitch 520 and 13 teeth for Gas Gas EC 250 F 4T Racing (2014-2018) / Gas Gas EC 250 F 4T Suomi (2012) / Gas Gas EC 250 FSE 4T (2010-2011) / Gas Gas EC 300 F 4T Racing (2014-2018) / Gas Gas EC 450 F 4T Racing (2015-2016) / Yamaha WR 250 F (2001-2022) / Yamaha WR 250 F GP (2018-2019) / Yamaha WR 250 R (2008-2016) / Yamaha WR 250 X (2008-2015) / Yamaha WR 426 F (2001-2002) / Yamaha WR 450 F (2003-2010) / Yamaha WRZ 250 (2009) / Yamaha YZ 125 (2005-2022) / Yamaha YZ 125 Monster Energy Edition (2022) / Yamaha YZ 250 2T (1999-2018) / Yamaha YZ 250 2T Monster Energy Edition (2022) / Yamaha YZ 250 F 4T (2001-2022) / Yamaha YZ 250 F 4T Anniversary (2016) / Yamaha YZ 250 F 4T Monster Energy Edition (2021-2022) / Yamaha YZ 250 X 2T (2021) / Yamaha YZ 426 F (2000-2002) / Yamaha YZ 450 F (2003-2005).
Specifications:
- JT Sprockets production is today the largest and most modern manufacturing unit for sprockets and gears worldwide;
- equipped, among others, with the latest generation of CNC manufacturing machines;
- JT Sprockets produces the full range of sprockets and gears for both aftermarket and original equipment;
- each sprocket and gear goes through 25 production stages, subjected to more than ten individual quality checks to successfully complete production;
- JT Sprockets produces correctly: through turning, milling, and drilling;
- this is the only way to achieve the highest quality, with the smallest tolerances and the best tooth profile;
- after subsequent heat treatment, each item is manually inspected;
- JT Sprockets sets new quality standards in the motorcycle industry;
Technical data:
- Chain pitch: 520;
- Mounting: fine groove;
- Minimum inner diameter: 20 mm;
- Maximum inner diameter: 22.1 mm;
- Inner teeth (number of teeth): 20;
- Number of mounting holes: none;
- Width: 5.7 mm;
- Execution: lightweight/racing/self-cleaning;
- Manufacturer: JT;
- Number of teeth: 13.
The complete application list can be found below.
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