Honda NSR 125 R V 1997. Honda NSR 125 R W 1998. Honda NSR 125 R X 1999. Honda NSR 125 R Y 2000. Honda NSR 125 R 1 2001. Honda NSR 125 R 1 2002. Honda NSR 125 R 1 2003. The secret of the new Iridium IX spark plug lies in the laser-welded electrode made of iridium.
