KTM 690 LC4 2007 - Automatic Decompressor

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Repair manual KTM 690 LC4 Art.-No. 3.206.045-E
Automatic decompressor
– Remove the lock ring 1 from the automatic decompressor shaft and
discard.
– Pull the automatic decompressor shaft
2 out of the camshaft.
– Disconnect the automatic decompressor spring, loosen the screw
3
and remove it together with the automatic decompressor spring and
the automatic decompressor weight
4.
– Check all parts for damage or wear.
– To remount, attach the spring first and then insert the screw through
the automatic decompressor weight.
NOTE: make sure the shank of the spring
5 reaches all the way
through the automatic decompressor weight.
– Mount the automatic decompressor weight, lock the screw with
Loctite 243 and tighten to 3-4 Nm. Attach the spring again.
– Mount the automatic decompressor shaft in the camshaft and insert
the new lock ring in the groove.
– Perform a functional check; the spring should turn the automatic
decompressor shaft all the way back. If not, increase the preload or
replace.
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