Piston Rings Specification:
Bore:68.5mm
Top Ring: Nitride 1.0mm;
Second Ring: ductile iron 1.0mm;
Oil Ring: chrome plating 2.5mm;
68.5mm Piston Ring Set Standard Bore Cylinder Kit for Honda Motorcycle:
TRX 250 FOURT/RAX RE/CON FOURT/RAX250 TRX250V 1997
TRX 250 FOURT/RAX RE/CON FOURT/RAX250 TRX250W 1998
TRX 250 FOURT/RAX RE/CON FOURT/RAX250 TRX250X 1999
TRX 250 FOURT/RAX RE/CON FOURT/RAX250 TRX250Y 2000
TRX 250 FOURT/RAX RE/CON FOURT/RAX250 TRX2501 2001
Replace OEM:
13011-HM8-003