Changing The Glass Fiber Yarn Filling Of The Main Silencer; Removing The Fuel Tank - KTM 450 SX-F 2018 Owner's Manual

11 SERVICE WORK ON THE CHASSIS
11.31

Changing the glass fiber yarn filling of the main silencer

Warning
Danger of burns The exhaust system gets very hot when the vehicle is driven.
–
Allow the exhaust system to cool down before performing any work on the vehicle.
Info
Over time, the fibers of the glass fiber yarn escape and the damper "burns" out.
Not only is the noise level higher, the performance characteristic changes.
11.32

Removing the fuel tank

Danger
Fire hazard Fuel is highly flammable.
The fuel in the fuel tank expands when warm and can escape if overfilled.
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Do not refuel the vehicle in the vicinity of open flames or lit cigarettes.
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Switch off the engine for refueling.
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Make sure that no fuel is spilled; particularly not on hot parts of the vehicle.
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If any fuel is spilled, wipe it off immediately.
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Observe the specifications for refueling.
Warning
Danger of poisoning Fuel is poisonous and a health hazard.
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Avoid skin, eye and clothing contact with fuel.
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Immediately consult a doctor if you swallow fuel.
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Do not inhale fuel vapors.
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In case of skin contact, rinse the affected area with plenty of water.
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Rinse the eyes thoroughly with water, and consult a doctor in case of fuel contact with the eyes.
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Change your clothing in case of fuel spills on them.
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Keep fuels correctly in a suitable canister, and out of the reach of children.
Preparatory work
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Remove the main silencer. (
Main work
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Remove all the screws on the main silencer.
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Take off silencer cap
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Take off outer tube
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Pull glass fiber yarn filling
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Clean the parts that need to be reinstalled and check for damage.
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Mount new glass fiber yarn filling
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Slide O-ring
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Insert O-ring
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Mount and tighten all of the screws.
Guideline
Screws on the main silencer
311691-10
Finishing work
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Install the main silencer. (
Preparatory work
–
Remove the seat. (
p. 52)
1 2
and O-ring
3 4
and O-ring .
5
off of inner tube
5
on inner tube
4 and outer tube 3 over glass fiber yarn filling
2 1
and silencer cap into outer tube
p. 52)
p. 49)
.
6
.
6
.
5 .
3
.
M5 7 Nm (5.2 lbf ft)
53