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  1. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Just tested a replacement sensor I got from ebay. Sensor voltage output was 2.2 regardless of pressure. It was worse than the one I just took off!
    Post by: MADBADGER, May 7, 2019 in forum: XJ Technical Chat
  2. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Who ever flexes the element is a magician. I broke the sensor just taking it apart. Anyone about replacements??
    Post by: MADBADGER, May 3, 2019 in forum: XJ Technical Chat
  3. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I re-conducted the test, pictures provided. 28psi gave me 4.9 V. I took apart the sensor... jeff said something about flexing a strain gauge for...
    Post by: MADBADGER, May 3, 2019 in forum: XJ Technical Chat
  4. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    12v DC power supply to + -, air regulator with large dial guage 0-30 psi, multimeter + to sensor output, - to DC power supply -
    Post by: MADBADGER, May 3, 2019 in forum: XJ Technical Chat
  5. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Just tested Boost Sensor, anyone take one of these apart and "fix" them? output voltage is low. [ATTACH]
    Post by: MADBADGER, May 3, 2019 in forum: XJ Technical Chat
  6. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Thanks ManBot, very helpful. I have 2 boost gauges plumbed from turbo and intake. its difficult to read 1 or 2 psi on a dial gauge whilst full...
    Post by: MADBADGER, May 3, 2019 in forum: XJ Technical Chat
  7. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Thank you k-moe for helping me with this. I have some 3/4 and 1" ball valves I may couple to filters to restrict airflow and test. I'll share...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  8. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Thank you for the reply. Thinking about it .. turbo purpose to ADD air so lean by little fuel is culprit. Okay, what havnt I already checked,...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  9. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    No, I do not own that bike. My research is centered about the motorcycle I own. Although our conversation is going on undesirable tangent which...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  10. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Absolutely agree. I'm trying to rule out the LARGE things before the small things. Most likely first to least likely. Filters, I believe, would...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  11. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    By "noting" advice, one might assume I am making a note to myself NOT to ignore the advice. If advice was given to check tire pressure, i would...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  12. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I appreciate all the advice. I'm noting everything as future improvement opportunities, but I'm hard pressed to believe the fuel filter, or dry vs...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  13. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Sensor checked out according to service manual inspection. Any other testing procedures I could try? Voltage = 2v at ambient, voltage = ?? At...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  14. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Eagerly waiting for your response lol.
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  15. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I will check. If it leans out when I'm having the issue (white plugs) and running rich at idle or normal driving conditions, will the plugs turn...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  16. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Any easy way to test this? I'm lead to believe I'm not emptying my bowls because bike fully recovers immediately every time. Could it be leaning...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  17. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I follow you on this. I agree completely. but, I feel pressure from carburetor pressure/vac hose (hose to boost pressure) when I blimp the...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  18. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Filter can effect performance but do you believe the filter can make the difference between NO boost and 18 psi boost? It would effect efficiency,...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  19. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    1) Yes stock boost sensor is connected to port of carburetor which tee's off to boost gauge. 2) Yes stock ECU. I'm wondering if boost sensor...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  20. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I haven't tried. Anyway, are you suggesting the oiled filter is restrictive? The filter I have is probably large for its application. Got a deal...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  21. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    oil
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  22. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    TYPO Sorry: Exhaust: Stock header pipes = stock 4 to 1 manifold = homemade pipe to turbo housing = turbine exhaust to homemade pipe to muffler...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  23. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    I'll explain best I can with text and if illustrations are needed I will make them. Exhaust: Stock header pipes = stock 4 to 1 manifold = homemade...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  24. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Let the process of elimination begin. 1) New plugs - NGK manual spec, gapped .03" from factory. 2) I pressurized the intake, some small leaks buts...
    Post by: MADBADGER, May 2, 2019 in forum: XJ Technical Chat
  25. MADBADGER
    Post

    Bogging down at point of turbo engagement. Why?

    Great info. I never considered spark. Recommended plug and gap? I disassembled the fuel system and checked regulator and check valve. Regulator...
    Post by: MADBADGER, Apr 10, 2019 in forum: XJ Technical Chat
  26. MADBADGER
    Thread

    Bogging down at point of turbo engagement. Why?

    I'll try to keep this short. Bike: 1982 XJ650 Turbo. Mostly stock parts, rearranged. See pictures. Problem: Under load at high RPM I lose power....
    Thread by: MADBADGER, Apr 9, 2019, 68 replies, in forum: XJ Technical Chat
  27. MADBADGER
    Thread

    What is this bracket?

    I can't figure out what this bracket is used for. I'm cutting off unused brackets and I cannot find a picture of my disassembly with anything...
    Thread by: MADBADGER, Oct 4, 2018, 2 replies, in forum: XJ Technical Chat
  28. MADBADGER
    Post

    XJ650RJ Seca Build

    What gas tank did you use? Looks great. Doing the exact same build to a 1982 xj650 turbo.
    Post by: MADBADGER, Oct 1, 2018 in forum: XJ Modifications
Showing results 1 to 28 of 28
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