We offer genuine Yamaha fuel tank outlet caps (lower caps) for the classic Yamaha Sno-sport 125. This is the part that the fuel filter connects to inside the tank, and is located on the bottom front of the fuel tank. We sell this cap with the mounting gasket and the two included Yamaha part numbers are 8R4-24644-00-00 and 8F3-24564-00-00. This cap and gasket set fit all Yamaha Sno-sport 125 models.