16 ENGINE 136
16.4.26 Checking the timing assembly (125 Duke)
304529-10
– Check timing chain 1 for damage and wear.
» If there is damage or wear:
– Change the timing chain.
– Let the timing chain hang down freely. Check that the timing chain links move easily.
» If the chain links no longer straighten out:
– Change the timing chain.
– Check timing chain guide rail 2 for damage and wear.
» If there is damage or wear:
– Change the timing chain guide rail.
– Check timing chain tensioning rail 3 for damage and wear.
» If there is damage or wear:
– Change the timing chain tensioning rail.
– Check timing chain sprocket 4 for damage and wear.
» If there is damage or wear:
– Change the timing chain sprocket.
– Check camshaft gears 5 for damage and wear.
» If there is damage or wear:
– Change the camshaft gears.
– Check camshaft bearing 6 for damage and wear.
» If there is damage or wear:
– Change the camshaft bearing.
16.4.27 Changing the stator (125 Duke)
304553-10
– Remove screw 1.
– Remove the cable retainer.
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