Restore proper piston performance with Namura NX-10000R piston rings, designed for use with Namura pistons in select 125cc two-stroke applications. These replacement rings feature a 53.94 mm bore size and are intended to support reliable compression, efficient combustion, and consistent engine operation when installed with a compatible Namura piston.
These Namura piston rings fit 2002–2007 GasGas MC 125 models and 1998–2001 Honda CR125R models. Verify the piston application and ring specification before installation, as this component is designed for Namura pistons only. The manufacturer part number is NX-10000R, and the vendor part number is 185-1000R.
For best results, inspect the piston, cylinder, ring grooves, and cylinder wall before installation. Follow the applicable service manual for ring orientation, end-gap inspection, break-in procedures, and installation requirements. Proper fitment and installation help maintain the intended sealing performance and support dependable operation in motocross and off-road riding conditions.
Features:
- Brand: Namura
- Manufacturer Part Number: NX-10000R
- Vendor Part Number: 185-1000R
- Ring Size: 53.94 mm
- Application: Replacement piston rings for Namura pistons only
- Fitment: 2002–2007 GasGas MC 125
- Fitment: 1998–2001 Honda CR125R
- Engine Type: 125cc two-stroke applications
Fitment:
1992 Honda CR125R
1993 Honda CR125R
1994 Honda CR125R
1995 Honda CR125R
1996 Honda CR125R
1997 Honda CR125R
1998 Honda CR125R
1999 Honda CR125R
2000 Honda CR125R
2001 Honda CR125R
2002 Gas-Gas Mc 125
2002 Honda CR125R
2003 Gas-Gas Mc 125
2003 Honda CR125R
2004 Gas-Gas Mc 125
2005 Gas-Gas Mc 125
2006 Gas-Gas Mc 125
2007 Gas-Gas Mc 125
2008 Gas-Gas Mc 125
2009 Gas-Gas Mc 125