2002-2003 Bombardier Baja DS650 Service Manual, Page 190Get this manual
Section 09 BRAKES Subsection 02 (HYDRAULIC BRAKES)
There are four hollow places on one set of brake padsWhen the pad wear reaches one of the hollow places, the pad change is necessary even if the pad wear does not reach another hollow placeNOTE: Be careful not to damage pads and that pads are correctly inserted in their locationAfter the job is completed, firmly depress the brake lever few times to bring the pads in contact with the discCheck for leaks and make sure the brakes operate normally before drivingThe pads must rest flat on the disc
BRAKE DISC
V02K0FA
1Hollow place
Inspection
1 mm (132 in)
BRAKE PAD LINING MINIMUM THICKNESS
WARNING
A contaminated brake disc reduces stopping powerClean contaminated disc with high quality brake degreasing agentBrake discs no38 can be inspected without removing from the vehicleRaise vehicle and support it securelyRemove wheels and visually inspect disc surfaces for scratches or groovesMake sure to check both sides of discMeasure thickness of the discMinimum thickness is 3.5 mm (.13 in)Replace disc if not within specificationsCAUTION: Brake discs should never be machinedTurn the disc by hand and check run outDISC MINIMUM THICKNESS MAXIMAL DISC RUN OUT 3.5 mm (.13 in) 0.5 mm (.02 in)