shim

  1. S

    found some extra parts in my case

    I'm fine not a scratch. So I low sided over the weekend and ground a hole in my stator cover. I pulled the cover, and in the case I found a short 8mm bolt, but there are no bolt missing from that side of the engine that I can see. I also found a valve shim on the floor next to the bike. It's...
  2. A

    Valve Adjustment - Shimming nightmare - Any ideas?

    Hi all, I'm working through my first valve adjustment with the RC. Second owner and the original didn't have anything for records so I'm going to assume never had valves checked (12,000km). After pulling everything apart I was tight on all 4 valves by either .01 or .02mm, not a big deal. So I...
  3. Superpacman13

    Titanium Retainers

    We have produced a set of titanium valve retainers for RC390's, you may ask why we would do such a thing? We have found that with extended high RPM usage the stock valve retainers will fail. The angles between the collets and the retainers do not match well enough for them to hold they valve...
    • Superpacman13
    • Thread
    • 9.48mm additional basis benefit bump cams clearance commercially control due easier finger followers frequent increased issue ktm reduced replace retainer retainers shim slightly titanium valve
    • Replies: 14
    • Forum: Gray Area KTM
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