SKF Oil and Dust Seal Kit 36mm (KYB) YZ65 18-23 YZ80/85 93-23 KX85 02-23 SKF seal kits for motorcycle forks consist of an oil seal and a wiper seal made of a new self-lubricating compound developed to achieve superior sealing performance. The design characteristics of this fork seal kit allow for dynamic sealing abilities: The dust scraper is the first guard against dirt entering the fork and contaminating the other components in the fork. The oil seal prevents oil from exiting the fork Bene?ts: Reduced and constant friction - REDUCTION OF OVER 20% Improved feel and smoothness. Compatibility with a wide range of OE and aftermarket oils. Increased life and performance. Enhanced water and dirt protection capability. Reduced wear and air suction.