Restore proper piston performance with Namura NX-70050R piston rings, designed specifically for use with compatible Namura pistons. This replacement ring set uses a 66.34 mm nominal piston size and is intended for two-stroke off-road motorcycles listed below. The rings help support compression, combustion efficiency, and oil control when installed with the correct Namura piston assembly.
These Namura piston rings are engineered for a precise fit with Namura pistons and should not be used with pistons from other manufacturers unless specifically approved. Manufacturer part number NX-70050R and vendor part number 185-7050R provide reliable identification when ordering replacement components or rebuilding the top end of a compatible engine. Always verify the piston, cylinder, and ring specifications before installation.
Fitment includes 2013–2015 Beta 250 RR (2T) models and 2001–2007 Gas-Gas or Gas Gas EC 250 models. Follow the applicable service manual for ring installation, end-gap inspection, piston orientation, and break-in procedures. Proper preparation and installation help promote dependable sealing and long service life.
Features:
- Size: 66.34 mm piston ring size
- Application: Replacement piston rings for compatible Namura pistons only
- Brand: Namura
- Manufacturer Part Number: NX-70050R
- Vendor Part Number: 185-7050R
- Fitment: 2013–2015 Beta 250 RR (2T)
- Fitment: 2001–2007 Gas-Gas or Gas Gas EC 250
- Engine Type: Two-stroke motorcycle applications
Fitment:
1997 Gas-Gas EC 250
1998 Gas-Gas EC 250
1999 Gas-Gas EC 250
2000 Gas-Gas EC 250
2000 KTM 250 EXC
2000 KTM 250 MXC
2000 KTM 250 SX
2000 KTM 250 SXS
2001 Gas-Gas EC 250
2001 KTM 250 EXC
2001 KTM 250 MXC
2001 KTM 250 SX
2001 KTM 250 SXS
2002 Gas-Gas EC 250
2002 KTM 250 EXC
2002 KTM 250 MXC
2002 KTM 250 SX
2002 KTM 250 SXS
2003 Gas-Gas EC 250
2003 KTM 250 EXC
2003 KTM 250 MXC
2003 KTM 250 SX
2003 KTM 250 SXS
2004 Gas-Gas EC 250
2004 KTM 250 EXC
2004 KTM 250 SX
2004 KTM 250 SXS
2005 Gas Gas EC 250
2005 KTM 250 EXC
2005 KTM 250 SX
2005 KTM 250 SXS
2006 Gas-Gas EC 250
2006 KTM 250 SX
2006 KTM 250 SXS
2006 KTM 250 XC
2006 KTM 250 XC-W
2007 Gas-Gas EC 250
2007 KTM 250 SX
2007 KTM 250 SXS
2007 KTM 250 XC
2007 KTM 250 XC-W
2008 Gas Gas EC 250
2008 KTM 250 SX
2008 KTM 250 XC
2008 KTM 250 XC-W
2009 Gas Gas EC 250
2009 KTM 250 SX
2009 KTM 250 XC
2009 KTM 250 XC-W
2010 Gas Gas EC 250
2010 KTM 250 SX
2010 KTM 250 XC
2010 KTM 250 XC-W
2011 Gas Gas EC 250
2011 KTM 250 SX
2011 KTM 250 XC
2011 KTM 250 XC-W
2012 Gas Gas EC 250
2012 KTM 250 SX
2012 KTM 250 XC
2012 KTM 250 XC-W
2013 Beta 250 RR (2T)
2013 Gas Gas EC 250
2013 KTM 250 SX
2013 KTM 250 XC
2013 KTM 250 XC-W
2014 Beta 250 RR (2T)
2014 Husqvarna TC 250
2014 Husqvarna TE 250
2014 KTM 250 SX
2014 KTM 250 XC
2014 KTM 250 XC-W
2015 Beta 250 RR (2T)
2015 Husqvarna TC 250
2015 Husqvarna TE 250
2015 KTM 250 SX
2015 KTM 250 XC
2015 KTM 250 XC-W
2016 Husqvarna TC 250
2016 Husqvarna TE 250
2016 KTM 250 SX
2016 KTM 250 XC
2016 KTM 250 XC-W
2017 Husqvarna TC 250
2017 Husqvarna TE 250
2017 KTM 250 SX
2017 KTM 250 XC
2017 KTM 250 XC-W
2018 Beta 250 RR (2T)
2018 Husqvarna TC 250
2018 Husqvarna TE 250
2018 Husqvarna TE 250i
2018 KTM 250 SX
2018 KTM 250 XC
2018 KTM 250 XC-W
2018 KTM 250 XC-W TPi
2019 Beta 250 RR (2T)
2019 Husqvarna TC 250
2019 Husqvarna TE 250i
2019 KTM 250 SX
2019 KTM 250 XC
2019 KTM 250 XC-W TPi
2020 Beta 250 RR (2T)
2020 Husqvarna TC 250
2020 Husqvarna TE 250i
2020 KTM 250 SX
2021 Beta 250 RR (2T)
2021 Gas-Gas EC 250
2021 Husqvarna TC 250
2021 Husqvarna TE 250i
2022 Gas-Gas EC 250
2022 Husqvarna TC 250
2022 Husqvarna TE 250i