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MTX OE Steel sprockets are strong and durable, heat-treated and hand-finished for longevity. Front sprockets are constructed from SCM420 chromoly steel alloy where rear sprockets are constructed from C45 high carbon steel with a Zinc electroplated finish. Designed as an OEM replacement to exceed OEM specifications at a fraction of the price, making them your ideal cost-effective solution for replacing old worn and warped sprockets.
OEM replacement
Exceeds OEM specifications
Heat treated and hand finished
Constructed from C49 high carbon steel
Pitch: 428
Teeth: 12
NOTE: Actual sprocket design may be different from the image above.
2026 Yamaha TTR125 LWE Big Wheel
2026 Yamaha AG125
2025 Yamaha TTR125 LWE Big Wheel
2025 Yamaha AG125
2024 Yamaha TTR125 LWE Big Wheel
2024 Yamaha AG125
2023 Yamaha TTR125 LWE Big Wheel
2023 Yamaha AG125
2022 Yamaha TTR125 LWE Big Wheel
2022 Yamaha AG125
2021 Yamaha TTR125 LWE Big Wheel
2021 Yamaha AG125
2020 Yamaha TTR125 LWE Big Wheel
2020 Yamaha AG125
2019 Yamaha TTR125 LWE Big Wheel
2019 Yamaha AG125
2018 Yamaha TTR125 LWE Big Wheel
2018 Yamaha TTR125 E Small Wheel
2018 Yamaha AG125
2017 Yamaha XTZ125
2017 Yamaha TTR125 LWE Big Wheel
2017 Yamaha TTR125 E Small Wheel
2017 Yamaha AG125
2016 Yamaha XTZ125
2016 Yamaha TTR125 LWE Big Wheel
2016 Yamaha TTR125 E Small Wheel
2015 Yamaha TTR125 LWE Big Wheel
2015 Yamaha TTR125 E Small Wheel
2014 Yamaha TTR125 LWE Big Wheel
2014 Yamaha TTR125 E Small Wheel
2013 Yamaha TTR125 LWE Big Wheel
2013 Yamaha TTR125 E Small Wheel
2012 Yamaha TTR125 LWE Big Wheel
2012 Yamaha TTR125 E Small Wheel
2011 Yamaha TTR125 LWE Big Wheel
2011 Yamaha TTR125 E Small Wheel
2010 Yamaha TTR125 LWE Big Wheel
2010 Yamaha TTR125 E Small Wheel
2009 Yamaha TTR125 LWE Big Wheel
2009 Yamaha TTR125 E Small Wheel
2008 Yamaha TTR125 LWE Big Wheel
2008 Yamaha TTR125 E Small Wheel
2007 Yamaha TTR125 LWE Big Wheel
2007 Yamaha TTR125 E Small Wheel
2006 Yamaha TTR125 LWE Big Wheel
2006 Yamaha TTR125 E Small Wheel
2005 Yamaha TTR125 LWE Big Wheel
2005 Yamaha TTR125 E Small Wheel
2004 Yamaha TTR125L Disc Brake
2004 Yamaha TTR125 Small Wheel
2004 Yamaha TTR125 Big Wheel
2003 Yamaha TTR125L Disc Brake
2003 Yamaha TTR125 Small Wheel
2003 Yamaha TTR125 Big Wheel
2002 Yamaha TTR125L Disc Brake
2002 Yamaha TTR125 Small Wheel
2002 Yamaha TTR125 Big Wheel
2001 Yamaha TTR125L Disc Brake
2001 Yamaha TTR125 Drum Brake
2000 Yamaha TTR125L Disc Brake
2000 Yamaha TTR125 Drum Brake
Front
MTX 548 Steel Front Sprocket #428 (10-132)
by
MTX Parts
SKU: SPF71012
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MTX OE Steel sprockets are strong and durable, heat-treated and hand-finished for longevity. Front sprockets are constructed from SCM420 chromoly steel alloy where rear sprockets are constructed from C45 high carbon steel with a Zinc electroplated finish. Designed as an OEM replacement to exceed OEM specifications at a fraction of the price, making them your ideal cost-effective solution for replacing old worn and warped sprockets.
OEM replacement
Exceeds OEM specifications
Heat treated and hand finished
Constructed from C49 high carbon steel
Pitch: 428
Teeth: 12
NOTE: Actual sprocket design may be different from the image above.
2026 Yamaha TTR125 LWE Big Wheel
2026 Yamaha AG125
2025 Yamaha TTR125 LWE Big Wheel
2025 Yamaha AG125
2024 Yamaha TTR125 LWE Big Wheel
2024 Yamaha AG125
2023 Yamaha TTR125 LWE Big Wheel
2023 Yamaha AG125
2022 Yamaha TTR125 LWE Big Wheel
2022 Yamaha AG125
2021 Yamaha TTR125 LWE Big Wheel
2021 Yamaha AG125
2020 Yamaha TTR125 LWE Big Wheel
2020 Yamaha AG125
2019 Yamaha TTR125 LWE Big Wheel
2019 Yamaha AG125
2018 Yamaha TTR125 LWE Big Wheel
2018 Yamaha TTR125 E Small Wheel
2018 Yamaha AG125
2017 Yamaha XTZ125
2017 Yamaha TTR125 LWE Big Wheel
2017 Yamaha TTR125 E Small Wheel
2017 Yamaha AG125
2016 Yamaha XTZ125
2016 Yamaha TTR125 LWE Big Wheel
2016 Yamaha TTR125 E Small Wheel
2015 Yamaha TTR125 LWE Big Wheel
2015 Yamaha TTR125 E Small Wheel
2014 Yamaha TTR125 LWE Big Wheel
2014 Yamaha TTR125 E Small Wheel
2013 Yamaha TTR125 LWE Big Wheel
2013 Yamaha TTR125 E Small Wheel
2012 Yamaha TTR125 LWE Big Wheel
2012 Yamaha TTR125 E Small Wheel
2011 Yamaha TTR125 LWE Big Wheel
2011 Yamaha TTR125 E Small Wheel
2010 Yamaha TTR125 LWE Big Wheel
2010 Yamaha TTR125 E Small Wheel
2009 Yamaha TTR125 LWE Big Wheel
2009 Yamaha TTR125 E Small Wheel
2008 Yamaha TTR125 LWE Big Wheel
2008 Yamaha TTR125 E Small Wheel
2007 Yamaha TTR125 LWE Big Wheel
2007 Yamaha TTR125 E Small Wheel
2006 Yamaha TTR125 LWE Big Wheel
2006 Yamaha TTR125 E Small Wheel
2005 Yamaha TTR125 LWE Big Wheel
2005 Yamaha TTR125 E Small Wheel
2004 Yamaha TTR125L Disc Brake
2004 Yamaha TTR125 Small Wheel
2004 Yamaha TTR125 Big Wheel
2003 Yamaha TTR125L Disc Brake
2003 Yamaha TTR125 Small Wheel
2003 Yamaha TTR125 Big Wheel
2002 Yamaha TTR125L Disc Brake
2002 Yamaha TTR125 Small Wheel
2002 Yamaha TTR125 Big Wheel
2001 Yamaha TTR125L Disc Brake
2001 Yamaha TTR125 Drum Brake
2000 Yamaha TTR125L Disc Brake
2000 Yamaha TTR125 Drum Brake
