Yamaha WR250R Owner's Manual page 47

TIP
G
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
G
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.
PERIODIC MAINTENANCE AND ADJUSTMENT
6-6
EAU18670
6