KTM 2008 690 SMC EU - Checking Timing Assembly; Removing Rocker Arm; Changing Camshaft Bearing

30/ENGINE - WORK ON INDIVIDUAL PARTS 117
18.19Checking timing assembly
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– Clean all parts well.
– Check the timing chain gear / timing chain sprocket  for damage and wear.
» If there is damage or wear:
– Replace the timing chain gear / timing chain sprocket.
– Check timing chain tensioning rail  for damage and wear.
» If there is damage or wear:
– Change the timing chain tensioning rail.
– Check timing chain guide rail  for damage and wear.
» If there is damage or wear:
– Change the timing chain guide rail.
– Check timing chain securing guide  for damage and wear.
» If there is damage or wear:
– Replace the timing chain securing guide.
– Check timing chain  for damage and wear.
» If there is damage or wear:
– Change the timing chain.
– Check that the timing chain links move easily. Let the timing chain hang down
freely.
» If the chain links no longer straighten out:
– Change the timing chain.
18.20Removing rocker arm
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– Remove screws .
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– Screw a suitable screw  into the rocker arm shafts . Pull out the rocker arm
shafts.
– Take off the rocker arm .
18.21Changing camshaft bearing
– Remove the rocker arm. ( p. 117)
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– Clamp the cylinder head.
Clamping plate (75029050000) ( p. 214)
– Remove the large camshaft bearing using the special tool .
Push-out drift (75029051000) ( p. 214)