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  1. Vladimir Kalinov
    Post

    Advancing intake cam timing

    I think the 5 to 7cm intake runners are the best . Great low and midrange, revs out to 9000 RPM fine. Only issue I had is during a long ride...
    Post by: Vladimir Kalinov, May 29, 2024 in forum: XJ Modifications
  2. Vladimir Kalinov
    Post

    Advancing intake cam timing

    Update: with 7 cm central intake runners and 10 cm side runners with 45 degree bend the powerband is 3000 to 7000 rpm and torque is awesome in...
    Post by: Vladimir Kalinov, May 18, 2024 in forum: XJ Modifications
  3. Vladimir Kalinov
    Post

    Advancing intake cam timing

    Since I couldn't find a mechanic to fool around with the intake camshaft timing, I changed strategy and started fooling around with intake...
    Post by: Vladimir Kalinov, May 18, 2024 in forum: XJ Modifications
  4. Vladimir Kalinov
    Post

    Advancing intake cam timing

    Hi guys, looking at camshaft sprockets for the xj700x they seem to have 2+2 holes on each sprocket. The holes are spaced out about 2 teeth which...
    Post by: Vladimir Kalinov, Apr 2, 2024 in forum: XJ Modifications
  5. Vladimir Kalinov
    Post

    Advancing intake cam timing

    Do you guys know, if I wanted to modify the intake cam sprocket, do I need to just remove the valve cover? Do I need to replace therefore buy some...
    Post by: Vladimir Kalinov, Mar 21, 2024 in forum: XJ Modifications
  6. Vladimir Kalinov
    Post

    Advancing intake cam timing

    This is what I see for the Stock XJ-650 but it is probably different for my MaximX: .335" 236° .305" 232° No lobe separation angle though. If I...
    Post by: Vladimir Kalinov, Mar 13, 2024 in forum: XJ Modifications
  7. Vladimir Kalinov
    Post

    Advancing intake cam timing

    So do you know the lobe center angles and valve overlap?
    Post by: Vladimir Kalinov, Mar 13, 2024 in forum: XJ Modifications
  8. Vladimir Kalinov
    Post

    Advancing intake cam timing

    So glad there are smarter/more experienced people in the forum than me. P.S. My bike is the 700x, the 5-valve engine, I don't think I made that clear.
    Post by: Vladimir Kalinov, Mar 4, 2024 in forum: XJ Modifications
  9. Vladimir Kalinov
    Post

    Advancing intake cam timing

    What is the intake/exhaust cam overlap? I was reading some other posts and it looked like over 100 degrees? Can we just move the intake cam one...
    Post by: Vladimir Kalinov, Mar 4, 2024 in forum: XJ Modifications
  10. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    Replaced the TID 14-35 with a TID14-49 CDI from a YAMAHA FZ 750 1985. Feels more peppy.
    Post by: Vladimir Kalinov, Feb 27, 2024 in forum: XJ Technical Chat
  11. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    Latest modification I did is shortening the needle spring by tying together the first three rungs with some thin wires. Seems like it worked well...
    Post by: Vladimir Kalinov, Oct 18, 2023 in forum: XJ Technical Chat
  12. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    Also shimmied the needle.
    Post by: Vladimir Kalinov, Oct 5, 2023 in forum: XJ Technical Chat
  13. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    Quick update: having installed pod filters and short loud mufflers, I went with Mikuni size 40 pilot jets and 115 main jets. Bike is very lively....
    Post by: Vladimir Kalinov, Oct 3, 2023 in forum: XJ Technical Chat
  14. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    The bike is in excellent condition with 20k miles on it, imported from US to Europe. Engine sounds great overall. To clarify, the bike is not...
    Post by: Vladimir Kalinov, Sep 5, 2023 in forum: XJ Technical Chat
  15. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    The flat spot was worse with the airbox and before I went to pod filters and rejeted. So that's not it.
    Post by: Vladimir Kalinov, Sep 5, 2023 in forum: XJ Technical Chat
  16. Vladimir Kalinov
    Post

    Dead spot at 6000 RPM

    Which ignition module do you have?
    Post by: Vladimir Kalinov, Sep 5, 2023 in forum: XJ Technical Chat
  17. Vladimir Kalinov
    Thread

    Dead spot at 6000 RPM

    Hi guys, had an XJ700X for a couple of months now and I wanted to ask if everyone feels like me that there is a dead spot in the torque curve...
    Thread by: Vladimir Kalinov, Sep 4, 2023, 10 replies, in forum: XJ Technical Chat
  18. Vladimir Kalinov
    Post

    1985 xj700 what size carb jetting for AirPods help!!

    When I first saw the small airbox opening I was amazed. It looks like forcing a sprinter to breathe through a straw.
    Post by: Vladimir Kalinov, Aug 11, 2023 in forum: XJ Modifications
  19. Vladimir Kalinov
    Post

    1985 xj700 what size carb jetting for AirPods help!!

    Hi, just installed pods on my 1985 XJ700. My original pilot jet was 35 and main jet 105. I upgraded main jets to 110. Pilot jets I wanted to...
    Post by: Vladimir Kalinov, Aug 9, 2023 in forum: XJ Modifications
  20. Vladimir Kalinov
    Post

    Advancing intake cam timing

    The two concerns with advanced timing I see that prevent me from playing myself with timing are: 1. increasing compression (good) but then knock...
    Post by: Vladimir Kalinov, Aug 9, 2023 in forum: XJ Modifications
  21. Vladimir Kalinov
    Post

    Advancing intake cam timing

    I am fairly knowledgeable of the theory so I am asking if anyone tried advancing the intake camshaft in order to improve low/mid range.
    Post by: Vladimir Kalinov, Aug 8, 2023 in forum: XJ Modifications
  22. Vladimir Kalinov
    Post

    Advancing intake cam timing

    How much can you alternate timing on the intake camshaft without modifying anything?
    Post by: Vladimir Kalinov, Aug 8, 2023 in forum: XJ Modifications
  23. Vladimir Kalinov
    Post

    Advancing intake cam timing

    P.S. my bike is an 85 XJ700
    Post by: Vladimir Kalinov, Aug 5, 2023 in forum: XJ Modifications
  24. Vladimir Kalinov
    Thread

    Advancing intake cam timing

    I am wondering what is the maximum safe advance on the intake cam timing and how much that would shift the powerband? Can I use cam timing to...
    Thread by: Vladimir Kalinov, Aug 4, 2023, 19 replies, in forum: XJ Modifications
Showing results 1 to 24 of 24
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