KTM 300 EXC, Repair Manual

Page: 69 / 289

9 SHOCK ABSORBER, SWINGARM
67
9.17 Checking the damper
Condition
The damper has been disassembled.
200811-10
–
Measure the inside diameter on both ends and in the middle of the damper car-
tridge.
Damper cartridge
Diameter 50.08 mm (1.9716 in)
» If the measured value is greater than the specified value:
–
Replace the damper cartridge.
–
Check the damper cartridge for damage and wear.
» If there is damage or wear:
–
Replace the damper cartridge.
–
Check the heim joint for damage and wear.
» If there is damage or wear:
–
Replace the heim joint.
200812-10
–
Measure the diameter of the piston rod.
Piston rod
Diameter 17.95 mm (0.7067 in)
» If the measured value is smaller than the specified value:
–
Replace the piston rod.
–
Measure the run-out of the piston rod.
Piston rod
Run-out 0.02 mm (0.0008 in)
» If the measured value is greater than the specified value:
–
Replace the piston rod.
–
Check the piston rod for damage and wear.
» If there is damage or wear:
–
Replace the piston rod.
200813-10
–
Check the piston rings for damage and wear.
» If damage or a bronze-colored surface is visible:
–
Replace the piston rings.
9.18 Disassembling the rebound adjuster
Preparatory work
–
Remove the spring. ( p. 62)
–
Disassemble the damper. ( p. 63)
–
Disassemble the piston rod. ( p. 64)
200805-10
Main work
–
Warm up the piston rod in the area of the rebound damping valve seat.
Guideline
80 °C (176 °F)
–
Remove rebound damping valve seat
1
.