valve clearance

  1. H

    Rough idle and engine code after valve adjustment

    I just got my bike back from the dealership service center after having the valves adjusted. It started and ran fine for a mile or so at city speeds, and then for about 30 minutes at highway speed. When I exited and stopped at a light, I was idling so rough that it rattled my vision. After that...
  2. fostytou

    Updated Valve Clearance Specifications for 2018 (and earlier models)

    While preparing for my valve job I was reviewing the older and newer manuals and some threads and noticed that KTM has updated the valve clearance specifications in the 2018 Duke manual. After some research I've established some facts: The Duke uses our same engine part # motor / head Some of...
  3. N

    620mile Valve Clearance Parts and Tools (RC 390 2017)

    Could you please tell me what tools are needed for the 620 mile valve clearance service and what parts, like gaskets, sealing washers, o-rings, etc., need to be replaced. Is engine blocking screw needed?
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