Restore dependable compression and engine performance with Namura NX-30050R piston rings. Designed for use with Namura pistons only, this ring set provides a precise replacement solution for select Kawasaki and Suzuki small-displacement two-stroke engines. The 40.96 mm ring size is engineered to match compatible Namura piston applications and support proper combustion sealing.
These Namura piston rings are suitable for 2003–2006 Kawasaki KDX 50 models and 1978–1983 Suzuki JR50 models. Proper fitment depends on pairing the rings with the corresponding Namura piston, so verify the piston application before installation. Replacing worn or damaged rings can help improve compression, reduce blow-by, and support consistent engine operation when installed according to the manufacturer’s service procedures.
Manufactured by Namura, the NX-30050R is identified by manufacturer part number NX-30050R and vendor part number 186-30501R. It is a practical choice for engine rebuilds, maintenance, and piston replacement work on compatible Kawasaki and Suzuki applications.
Features:
- Size: 40.96 mm piston ring size
- Compatibility: Designed for Namura pistons only
- Fitment: 2003–2006 Kawasaki KDX 50
- Fitment: 1978–1983 Suzuki JR50
- Brand: Namura
- Manufacturer part number: NX-30050R
- Vendor part number: 186-30501R
- Application: Replacement piston rings for compatible small-displacement two-stroke engines
Fitment:
1978 Suzuki Jr50
1979 Suzuki Jr50
1980 Suzuki Jr50
1981 Suzuki Jr50
1982 Suzuki Jr50
1983 Suzuki Jr50
1984 Suzuki Jr50
1985 Suzuki Jr50
1986 Suzuki Jr50
1987 Suzuki Jr50
1988 Suzuki Jr50
1989 Suzuki Jr50
1990 Suzuki Jr50
1991 Suzuki Jr50
1992 Suzuki Jr50
1993 Suzuki Jr50
1994 Suzuki Jr50
1995 Suzuki Jr50
1996 Suzuki Jr50
1997 Suzuki Jr50
1998 Suzuki Jr50
1999 Suzuki Jr50
2000 Suzuki Jr50
2001 Suzuki Jr50
2002 Suzuki Jr50
2003 Kawasaki KDX 50
2003 Suzuki Jr50
2004 Kawasaki KDX 50
2004 Suzuki Jr50
2005 Kawasaki KDX 50
2005 Suzuki Jr50
2006 Kawasaki KDX 50
2006 Suzuki Jr50