The first service is typically recommended at 10 hours of use to remove contaminants from the initial bedding-in process.
Subsequent services should occur every 45 hours . Wp 4Cs Service Manual
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 The first service is typically recommended at 10