Timing Train - KTM 250 SX-F 2005 Repair Manual

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Timing train

Thoroughly clean all parts and check for wear.
– Check the toothing of the control idler
– Check the timing chain tensioning rail
damage.
– Check the timing chain guide
– Check the timing chain clip
– Check the timing chain
chain links operate smoothly.
NOTE: The smooth operation of the chain links can easily be checked
by simply letting the timing chain hang down - the chain links should
align in a row. Replace the timing chain if the chain links do not align
in a row - they are no longer free-moving.
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for breakout and wear.
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for seizing marks and
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for seizing marks and damage.
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for seizing marks and damage.
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for damage and wear; make sure the
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