Question about 2003 KTM 640 LC4 Adventure
You must take off the right hand engine cover and after unscrewing CLOCKWISE the main bolt that holds the flywheel you need a special KTM puller to pull out the stator rotor (flywheel).Behind that there is a group of parts that you should replace.The large sprocket, the clutch system that the large sprocket is into (special formed balls in a spring) and the hub that is screwed behind the flywheel.Use OEM parts (even for the 5mm allen screws if they need to be renewed).Use 18Nm for those allen screws adding locking nut adhesive on their threads (Locktite).
Work backwords to reinstall it and the flywheel's main bolt uses 120Nm of torque to tight it up on the crankshaft COUNTERCLOCKWISE.Use new gasket for the engine case and 12Nm for the bolts.
Posted on Jun 03, 2009
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Posted on Jan 02, 2017
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