EBU23070 NOTE: The air filter needs more frequent service if you are riding in unusually wet or dusty areas. Hydraulic brake service Regularly check and, if necessary, correct the brake fluid level. Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid. Replace the brake hoses every four years and if cracked or damaged. 3 - 6 PERIODIC MAINTENANCE AND LUBRICATION CHART CHK ADJ