These parts, like most rubber components on classic (and modern for that matter) motorcycles will be better being renewed as the old items may have perished or become less effective through general wear and tear.
This high quality OE item is manufactured to the highest Japanese quality control standards - allowing you to buy and fit with complete confidence.
Please make sure that the part numbers you order are compatible with your model. We try to ensure that online purchasing of Japanese motorcycle spares is a pleasant and user friendly experience - try us!