Specifying only factory supplied O-Rings means buying seals made to Japanese to quality control standards, seals that were deemed good enough by the factory when the machine rolled off the production line.
Please make sure that the part numbers you order are compatible with your model.
Buying from us is the easy way to purchase all your Japanese motorcycle parts online. Ask a member of our staff, if you are new to this kind of shopping, to help guide you through our user-friendly system.