For competitive racing, this interval may be shortened to every 10 hours . Essential Special Tools
Subsequent services should occur every 45 hours . Wp 4Cs Service Manual
The first service is typically recommended at 10 hours of use to remove contaminants from the initial bedding-in process. For competitive racing, this interval may be shortened
The service manual details a specific process for these split-function forks, where one leg controls compression (left) and the other rebound (right). Unlike standard open or closed-chamber forks, the 4CS requires specific tools and a unique oil-filling procedure due to its multiple internal chambers. Service Intervals For competitive racing
Standard tools like a flat-head screwdriver and 19mm open-end wrench are required, but you will also need specific suspension tools: WP 4CS Forks Standard Rebuild - Race Tech