2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 403Get this manual
HYDRAULIC BRAKE
SERVICE INFORMATION
GENERAL
ACAUTION
Frequent inhalation of brake pad dust, regardless of material composition, could be hazardous to your health Avoid breathing dust particles Never use an air hose or brush to clean brake assembliesUse an OSHA-approved vacuum cleaner