2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 121Get this manual
CHECKING THE BRAKE HOSE BLEEDING THE HYDRAULIC BRAKE SYSTEM
2.Check: Front brake hoses Rear brake hoses Cracksweardamage ReplaceFluid leakage Replace the hoseRefer to "FRONT AND REAR BRAKES" in CHAPTER 8NOTE: Hold the machine in an upright position and apply the front or rear brake3.Check: Brake hose clamp Loosen Tighten
4.Install: Right footrest board Refer to "FOOTREST BOARDS"Front fender Front carrier Seat Refer to "SEAT, CARRIERS, FENDERS AND FUEL TANK"