1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 179Get this manual
HYDRAULIC DISC BRAKES
BRAKE FLUID REPLACEMENTI BLEEDI NG
BRAKE FLUID DRAINING
(1) RESERVOIR COVER
contaminated brake disc orpad reducesstoppingpowerDiscard contaminatedpads and clean contaminated disc with high quality brake degreasing agentCAUTION
Do not allowforeign material to enter the system whenfilling the reservoir void spillingfluid on painted,plastic, or rubberpartsPlace rag over these parts whenever the system is servicedNOTE When servicing the front brake, remove the front wheels (page 10-81