Rear Master Cylinder Removal And Disassembly; Master Cylinder Inspection - Suzuki RM250 Owner's Service Manual

• Remove the dust seal boot
CD.
• Remove the circl ip
@
with snap ri ng pl iers .
• Remove the washer
@.
piston
®
and spring
®.
Rear M aste r Cylinder Removal and Disassembly
• Drain brake f luid.(
C7'
14-3)
• Remove t he rea r brake pedal. ( r=:r 14- 11)
• Place a rag under the hose to catch spilled brake fl uid.
• Remove the clamp and discon nect t he hose (reservoir).
• Remove the union bolt.
• Remove the maste r cylinde r clamp bolts.
• Remove the dust seal boot
CD.
• Remove the circlip
@
with snap ring pliers.
• Remove the push rod
@.
• Remove t he piston /cup set
(1),
Mast er Cylinder Inspection
• Measure the cylinder bore with a small bore gauge.
Front: 11 .000 - 11.043 mm 10 .4331 - 0 .4348 in)
Rear: 14 .000 - 14 .043 mm 10 .5512 - 0 .5529 in)
• Measure the cylinder piston diameter w ith a micrometer.
Front: 10 .957 - 10 .984 mm (0.4314 - 0 .4324 in)
Rear: 13 .957 - 13 .984 mm 10.5495 - 0.5506 inl
• Inspect t he cyli nde r bore and piston fo r scuffing .
• Inspect the pisto n rod and spri ng for damage.
fRONT AND REAR BRAKES 14·9
Rear
Front