2008-2010 Kawasaki KFX450R Factory Service Manual, Page 335Get this manual
BRAKES 12-23 Brake Discs
Disc Cleaning
Poor braking can be caused by oil on discOil on disc must be cleaned off with an oilless cleaning fluid such as trichloroethylene or acetone
WARNING
These cleaning fluids are usually highly flammable and harmful if breathed for prolonged periodsBe sure to heed the fluid manufacturer's warnings
Front Disc Removal
Remove: (see Front Hub Removal in the WheelsTires Front Hub
chapter) Brake Disc Mounting Bolts [A] Brake Disc [B]