Product description
The Prox Piston Kit For Suzuki RM250 2003-2012 66.35 mm is part of the latest collection from Prox.
Features:
- Manufactured in Japan and designed to be OEM replacement
- Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
- Kit includes piston, ring kit, wrist pin, and circlips
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 66.40 mm
- Compression Ratio Imperial: Standard
- Compression Ratio: Standard
- Displacement: 250 cc
- Engine Type: 2-Stroke
- Piston Material: Aluminum Alloy
- Piston Size Metric: 66.35 mm
- Piston Size: 66.35 mm
- Product Name: Piston Kit
- Skirt Coating: Moly Coated
To fit:
- SUZUKI RM 250 2003 American Models
- SUZUKI RM 250 2003 European Models
- SUZUKI RM 250 2004 All Models
- SUZUKI RM 250 2005 All Models
- SUZUKI RM 250 2006 All Models
- SUZUKI RM 250 2007 All Models
- SUZUKI RM 250 2008 All Models
- SUZUKI RM 250 2009 All Models
- SUZUKI RM 250 2010 All Models
- SUZUKI RM 250 2011 All Models
- SUZUKI RM 250 2012 All Models
- YAMAHA YZ 250 F 2001 American Models
- YAMAHA YZ 250 F 2001 European Models
- YAMAHA YZ 250 F 2002 American Models
- YAMAHA YZ 250 F 2002 European Models
- YAMAHA YZ 250 F 2004 American Models
- YAMAHA YZ 250 F 2004 European Models
- YAMAHA YZ 250 X 2016 American Models
- YAMAHA YZ 250 X 2017 American Models
- YAMAHA YZ 250 X 2018 American Models
- YAMAHA YZ 250 X 2019 American Models
- YAMAHA YZ 250 X 2020 American Models
- YAMAHA YZ 250 X 2021 American Models
- YAMAHA YZ 250 X 2022 American Models
- YAMAHA YZ 250 X 2023 American Models
- YAMAHA YZ 250 X 2024 American Models
- YAMAHA YZ 250 1999 American Models
- YAMAHA YZ 250 1999 European Models
- YAMAHA YZ 250 2000 American Models
- YAMAHA YZ 250 2000 European Models
- YAMAHA YZ 250 2001 American Models
- YAMAHA YZ 250 2001 European Models
- YAMAHA YZ 250 2002 American Models
- YAMAHA YZ 250 2002 European Models
- YAMAHA YZ 250 2003 American Models
- YAMAHA YZ 250 2003 European Models
- YAMAHA YZ 250 2004 American Models
- YAMAHA YZ 250 2004 European Models
- YAMAHA YZ 250 2005 American Models
- YAMAHA YZ 250 2005 European Models
- YAMAHA YZ 250 2006 American Models
- YAMAHA YZ 250 2006 European Models
- YAMAHA YZ 250 2007 American Models
- YAMAHA YZ 250 2007 European Models
- YAMAHA YZ 250 2008 American Models
- YAMAHA YZ 250 2008 European Models
- YAMAHA YZ 250 2009 American Models
- YAMAHA YZ 250 2009 European Models
- YAMAHA YZ 250 2010 American Models
- YAMAHA YZ 250 2010 European Models
- YAMAHA YZ 250 2011 American Models
- YAMAHA YZ 250 2011 European Models
- YAMAHA YZ 250 2012 American Models
- YAMAHA YZ 250 2012 European Models
- YAMAHA YZ 250 2013 American Models
- YAMAHA YZ 250 2013 European Models
- YAMAHA YZ 250 2014 American Models
- YAMAHA YZ 250 2014 European Models
- YAMAHA YZ 250 2015 American Models
- YAMAHA YZ 250 2015 European Models
- YAMAHA YZ 250 2016 American Models
- YAMAHA YZ 250 2016 European Models
- YAMAHA YZ 250 2017 American Models
- YAMAHA YZ 250 2017 European Models
- YAMAHA YZ 250 2018 European Models
- YAMAHA YZ 250 2019 All Models
- YAMAHA YZ 250 2020 All Models
- YAMAHA YZ 250 2021 All Models
- YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2022 All Models
- YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2023 All Models
- YAMAHA YZ 250 2024 50th Anniversary Edition All Models
- YAMAHA YZ 250 2024 All Models
Manufacturer part number: 01.2321.A
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Piston Kit For Suzuki RM250 2003-2012 66.35 mm
To fit:
- SUZUKI RM 250 2003 American Models
- SUZUKI RM 250 2003 European Models
- SUZUKI RM 250 2004 All Models
- SUZUKI RM 250 2005 All Models
- SUZUKI RM 250 2006 All Models
- SUZUKI RM 250 2007 All Models
- SUZUKI RM 250 2008 All Models
- SUZUKI RM 250 2009 All Models
- SUZUKI RM 250 2010 All Models
- SUZUKI RM 250 2011 All Models
- SUZUKI RM 250 2012 All Models
- YAMAHA YZ 250 F 2001 American Models
- YAMAHA YZ 250 F 2001 European Models
- YAMAHA YZ 250 F 2002 American Models
- YAMAHA YZ 250 F 2002 European Models
- YAMAHA YZ 250 F 2004 American Models
- YAMAHA YZ 250 F 2004 European Models
- YAMAHA YZ 250 X 2016 American Models
- YAMAHA YZ 250 X 2017 American Models
- YAMAHA YZ 250 X 2018 American Models
- YAMAHA YZ 250 X 2019 American Models
- YAMAHA YZ 250 X 2020 American Models
- YAMAHA YZ 250 X 2021 American Models
- YAMAHA YZ 250 X 2022 American Models
- YAMAHA YZ 250 X 2023 American Models
- YAMAHA YZ 250 X 2024 American Models
- YAMAHA YZ 250 1999 American Models
- YAMAHA YZ 250 1999 European Models
- YAMAHA YZ 250 2000 American Models
- YAMAHA YZ 250 2000 European Models
- YAMAHA YZ 250 2001 American Models
- YAMAHA YZ 250 2001 European Models
- YAMAHA YZ 250 2002 American Models
- YAMAHA YZ 250 2002 European Models
- YAMAHA YZ 250 2003 American Models
- YAMAHA YZ 250 2003 European Models
- YAMAHA YZ 250 2004 American Models
- YAMAHA YZ 250 2004 European Models
- YAMAHA YZ 250 2005 American Models
- YAMAHA YZ 250 2005 European Models
- YAMAHA YZ 250 2006 American Models
- YAMAHA YZ 250 2006 European Models
- YAMAHA YZ 250 2007 American Models
- YAMAHA YZ 250 2007 European Models
- YAMAHA YZ 250 2008 American Models
- YAMAHA YZ 250 2008 European Models
- YAMAHA YZ 250 2009 American Models
- YAMAHA YZ 250 2009 European Models
- YAMAHA YZ 250 2010 American Models
- YAMAHA YZ 250 2010 European Models
- YAMAHA YZ 250 2011 American Models
- YAMAHA YZ 250 2011 European Models
- YAMAHA YZ 250 2012 American Models
- YAMAHA YZ 250 2012 European Models
- YAMAHA YZ 250 2013 American Models
- YAMAHA YZ 250 2013 European Models
- YAMAHA YZ 250 2014 American Models
- YAMAHA YZ 250 2014 European Models
- YAMAHA YZ 250 2015 American Models
- YAMAHA YZ 250 2015 European Models
- YAMAHA YZ 250 2016 American Models
- YAMAHA YZ 250 2016 European Models
- YAMAHA YZ 250 2017 American Models
- YAMAHA YZ 250 2017 European Models
- YAMAHA YZ 250 2018 European Models
- YAMAHA YZ 250 2019 All Models
- YAMAHA YZ 250 2020 All Models
- YAMAHA YZ 250 2021 All Models
- YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2022 All Models
- YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2023 All Models
- YAMAHA YZ 250 2024 50th Anniversary Edition All Models
- YAMAHA YZ 250 2024 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.
Product description
The Prox Piston Kit For Suzuki RM250 2003-2012 66.35 mm is part of the latest collection from Prox.
Features:
- Manufactured in Japan and designed to be OEM replacement
- Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
- Kit includes piston, ring kit, wrist pin, and circlips
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 66.40 mm
- Compression Ratio Imperial: Standard
- Compression Ratio: Standard
- Displacement: 250 cc
- Engine Type: 2-Stroke
- Piston Material: Aluminum Alloy
- Piston Size Metric: 66.35 mm
- Piston Size: 66.35 mm
- Product Name: Piston Kit
- Skirt Coating: Moly Coated
To fit:
- SUZUKI RM 250 2003 American Models
- SUZUKI RM 250 2003 European Models
- SUZUKI RM 250 2004 All Models
- SUZUKI RM 250 2005 All Models
- SUZUKI RM 250 2006 All Models
- SUZUKI RM 250 2007 All Models
- SUZUKI RM 250 2008 All Models
- SUZUKI RM 250 2009 All Models
- SUZUKI RM 250 2010 All Models
- SUZUKI RM 250 2011 All Models
- SUZUKI RM 250 2012 All Models
- YAMAHA YZ 250 F 2001 American Models
- YAMAHA YZ 250 F 2001 European Models
- YAMAHA YZ 250 F 2002 American Models
- YAMAHA YZ 250 F 2002 European Models
- YAMAHA YZ 250 F 2004 American Models
- YAMAHA YZ 250 F 2004 European Models
- YAMAHA YZ 250 X 2016 American Models
- YAMAHA YZ 250 X 2017 American Models
- YAMAHA YZ 250 X 2018 American Models
- YAMAHA YZ 250 X 2019 American Models
- YAMAHA YZ 250 X 2020 American Models
- YAMAHA YZ 250 X 2021 American Models
- YAMAHA YZ 250 X 2022 American Models
- YAMAHA YZ 250 X 2023 American Models
- YAMAHA YZ 250 X 2024 American Models
- YAMAHA YZ 250 1999 American Models
- YAMAHA YZ 250 1999 European Models
- YAMAHA YZ 250 2000 American Models
- YAMAHA YZ 250 2000 European Models
- YAMAHA YZ 250 2001 American Models
- YAMAHA YZ 250 2001 European Models
- YAMAHA YZ 250 2002 American Models
- YAMAHA YZ 250 2002 European Models
- YAMAHA YZ 250 2003 American Models
- YAMAHA YZ 250 2003 European Models
- YAMAHA YZ 250 2004 American Models
- YAMAHA YZ 250 2004 European Models
- YAMAHA YZ 250 2005 American Models
- YAMAHA YZ 250 2005 European Models
- YAMAHA YZ 250 2006 American Models
- YAMAHA YZ 250 2006 European Models
- YAMAHA YZ 250 2007 American Models
- YAMAHA YZ 250 2007 European Models
- YAMAHA YZ 250 2008 American Models
- YAMAHA YZ 250 2008 European Models
- YAMAHA YZ 250 2009 American Models
- YAMAHA YZ 250 2009 European Models
- YAMAHA YZ 250 2010 American Models
- YAMAHA YZ 250 2010 European Models
- YAMAHA YZ 250 2011 American Models
- YAMAHA YZ 250 2011 European Models
- YAMAHA YZ 250 2012 American Models
- YAMAHA YZ 250 2012 European Models
- YAMAHA YZ 250 2013 American Models
- YAMAHA YZ 250 2013 European Models
- YAMAHA YZ 250 2014 American Models
- YAMAHA YZ 250 2014 European Models
- YAMAHA YZ 250 2015 American Models
- YAMAHA YZ 250 2015 European Models
- YAMAHA YZ 250 2016 American Models
- YAMAHA YZ 250 2016 European Models
- YAMAHA YZ 250 2017 American Models
- YAMAHA YZ 250 2017 European Models
- YAMAHA YZ 250 2018 European Models
- YAMAHA YZ 250 2019 All Models
- YAMAHA YZ 250 2020 All Models
- YAMAHA YZ 250 2021 All Models
- YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2022 All Models
- YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2023 All Models
- YAMAHA YZ 250 2024 50th Anniversary Edition All Models
- YAMAHA YZ 250 2024 All Models
Manufacturer part number: 01.2321.A
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Piston Kit For Suzuki RM250 2003-2012 66.35 mm
To fit:
- SUZUKI RM 250 2003 American Models
- SUZUKI RM 250 2003 European Models
- SUZUKI RM 250 2004 All Models
- SUZUKI RM 250 2005 All Models
- SUZUKI RM 250 2006 All Models
- SUZUKI RM 250 2007 All Models
- SUZUKI RM 250 2008 All Models
- SUZUKI RM 250 2009 All Models
- SUZUKI RM 250 2010 All Models
- SUZUKI RM 250 2011 All Models
- SUZUKI RM 250 2012 All Models
- YAMAHA YZ 250 F 2001 American Models
- YAMAHA YZ 250 F 2001 European Models
- YAMAHA YZ 250 F 2002 American Models
- YAMAHA YZ 250 F 2002 European Models
- YAMAHA YZ 250 F 2004 American Models
- YAMAHA YZ 250 F 2004 European Models
- YAMAHA YZ 250 X 2016 American Models
- YAMAHA YZ 250 X 2017 American Models
- YAMAHA YZ 250 X 2018 American Models
- YAMAHA YZ 250 X 2019 American Models
- YAMAHA YZ 250 X 2020 American Models
- YAMAHA YZ 250 X 2021 American Models
- YAMAHA YZ 250 X 2022 American Models
- YAMAHA YZ 250 X 2023 American Models
- YAMAHA YZ 250 X 2024 American Models
- YAMAHA YZ 250 1999 American Models
- YAMAHA YZ 250 1999 European Models
- YAMAHA YZ 250 2000 American Models
- YAMAHA YZ 250 2000 European Models
- YAMAHA YZ 250 2001 American Models
- YAMAHA YZ 250 2001 European Models
- YAMAHA YZ 250 2002 American Models
- YAMAHA YZ 250 2002 European Models
- YAMAHA YZ 250 2003 American Models
- YAMAHA YZ 250 2003 European Models
- YAMAHA YZ 250 2004 American Models
- YAMAHA YZ 250 2004 European Models
- YAMAHA YZ 250 2005 American Models
- YAMAHA YZ 250 2005 European Models
- YAMAHA YZ 250 2006 American Models
- YAMAHA YZ 250 2006 European Models
- YAMAHA YZ 250 2007 American Models
- YAMAHA YZ 250 2007 European Models
- YAMAHA YZ 250 2008 American Models
- YAMAHA YZ 250 2008 European Models
- YAMAHA YZ 250 2009 American Models
- YAMAHA YZ 250 2009 European Models
- YAMAHA YZ 250 2010 American Models
- YAMAHA YZ 250 2010 European Models
- YAMAHA YZ 250 2011 American Models
- YAMAHA YZ 250 2011 European Models
- YAMAHA YZ 250 2012 American Models
- YAMAHA YZ 250 2012 European Models
- YAMAHA YZ 250 2013 American Models
- YAMAHA YZ 250 2013 European Models
- YAMAHA YZ 250 2014 American Models
- YAMAHA YZ 250 2014 European Models
- YAMAHA YZ 250 2015 American Models
- YAMAHA YZ 250 2015 European Models
- YAMAHA YZ 250 2016 American Models
- YAMAHA YZ 250 2016 European Models
- YAMAHA YZ 250 2017 American Models
- YAMAHA YZ 250 2017 European Models
- YAMAHA YZ 250 2018 European Models
- YAMAHA YZ 250 2019 All Models
- YAMAHA YZ 250 2020 All Models
- YAMAHA YZ 250 2021 All Models
- YAMAHA YZ 250 2022 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2022 All Models
- YAMAHA YZ 250 2023 Monster Energy Racing Edition All Models
- YAMAHA YZ 250 2023 All Models
- YAMAHA YZ 250 2024 50th Anniversary Edition All Models
- YAMAHA YZ 250 2024 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.































