Exhaust System; Cleaning The Spark Arrester (Usa) - KTM 625 SXC 2003 Owner's Manual

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Exhaust system *

Aluminium silencers are filled with glass fiber yarn. If exposed to heat for
longer periods of time, however, the glass fiber yarn pack will come
unravelled, which can reduce both overall performance and the
performance of the silencer. Experience has shown that the front glass fiber
pack 1 must be replaced more often than the rear pack
To replace the front glass fiber yarn pack, remove the silencer. Remove the
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front cap , pull the front glass fiber yarn pack out of the silencer, mount a
new pack on the internal exhaust pipe, insert the internal exhaust pipe
into the silencer and replace the cap.
To replace the rear glass fiber yarn pack, drill the rivets open and remove
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the rear cap .
NOTE:
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Always renew the O-rings .
Glass fiber yarn packs are available in your KTM store.
WARNING
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HE EXHAUST SYSTEM BECOMES VERY HOT WHILE THE MOTORCYCLE IS RUNNING
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AVOID BURNS O NOT START WORK ON THE EXHAUST SYSTEM UNTIL IT HAS PROPERLY
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COOLED DOWN

Cleaning the spark arrester (USA) *

The spark arrester should be cleaned every time the glassfiber yarn filling is
changed or at least once annually.
For this purpose, dismount the silencer cap and remove any deposits that
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might exist in region . Renew the O-ring and mount the silencer cap.
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