48
CautioN: BRakE Fluid caN damagE paiNt aNd somE
plastic suRFacEs. Wash oFF aNy spillEd bRakE
Fluid with watER.
1.
Place the bike on a workstand. Position a drain pan
beneath the caliper before spraying the caliper and
pads with brake system cleaner.
2.
Remove the brake pads from the caliper (
, MX [front];
SM [front];
, rear).
3.
Remove the caliper (
, MX [front];
, SM [front];
, rear).
4.
MX front and MX/SM rear calipers: Pull the caliper
pin boots from the ridges on the pins, and detach the
caliper from its mounting bracket.
BRAKE CALIPER OVERHAUL
5.
SM front caliper: Remove the three screws, and
separate the caliper halves. (
Fig. 35
)
6.
MX front and MX/SM rear calipers: Place a folded
shop rag in front of the piston, the use low-pressure
compressed air directed into the fluid port to ease the
piston(s) out of the caliper bore, and twist the piston
by hand to remove it. (
Fig. 36 & 37
)
WaRNiNg: DoN’t positioN youR FiNgERs iN FRoNt oF
thE
pistoN!
NotE: ON FRoNt calipERs it may bE NEcEssaRy to
REmoVE oNE pistoN at a timE, coVERiNg thE opEN
boRE to REmoVE thE sEcoNd pistoN.
Fig. 32
Fig. 34
Fig. 31
Fig. 33
Fig. 35
Fig. 37
Fig. 34
Fig. 36
CHAPTER 3
