cams

  1. cjwell

    3mm BIG BORE pistons

    I think I am going to have some +3 mm pistons made. Available for purchase with gaskets (head/base), head bolts and exhaust gasket. I am trying to source a couple used cylinders now so I can have them bored/plated to size on the shelf. If I cant, you guys will be responsible for having your...
    • cjwell
    • Thread
    • 399cc 3mm bolts cams compression configuration exhaust fuel gasket gaskets guys injector install intermediate items kit pistons pump require size sized stock street supplied thinner
    • Replies: 25
    • Forum: KTM Performance
  2. 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
  3. X

    Hello from South Texas (Beeville)

    Just a little about me: 26 years old, love 2nd gen Camaros, and now have fallen in love with bikes. Picked up a new '16 rc390 in april '17. So far I love the bike. Hit some debris on the road my first day with the bike and was looking for a replacement belly pan as a chunk of truck tire kicked...
  4. P

    Cam timing

    I performed the 600 mile valve adjustment on my 390. Upon starting, the bike randomly cuts out - it makes a popping sound right before it cuts out. I didn't mark my cams before I took them out and now I'm wondering if they aren't aligned correctly? I used the alignment marks on the cams, but the...
  5. cjwell

    Engine kit progress

    Sneak Peak with the new cams. Pistons should be in early June.
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