1987-2004 Kawasaki Mojave KSF250 Service Manual, Page 149Get this manual
11-14 BRAKES NOTE
Rear Brake Flu id Reservoir
oHold the reservoir horizontal when checking brake fluid level (handlebar turned so that the reservoir is level)
The fluid level should be between the upper and lower level linesIf the fluid level is lower than the lower level line, fill the reservoir to the upper level line with the same type and brand of fluid that already is in the reservoir
WARNING
AUpper Level
OChange the brake fluid in the brake line completely if the brake fluid must be refilled but the type and brand of the brake fluid that already is in the reservoir are unidentifiedAfter changing the fluid, use only the same type and brand of fluid thereafterMixing different types amt brands of brake fluid lowers the brake fluid boiling point and could cause the brake to be ineffectiveIt may also cause the rubber brake parts to deteriorate
BLower Level