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  1. pirok
    Post

    Let's talk top end's.

    Lack of information here. (Has it been standing still for 15 years? have you pulled it out of a lake?) If it's only got 20100 miles on the clock...
    Post by: pirok, Apr 12, 2013 in forum: XJ Technical Chat
  2. pirok
    Post

    A good choice of tires?

    Bridgestone Battlax 45 contains Dual Tread Compound (DTC). The center compound secures long mileage and durability, while the tread edge compound...
    Post by: pirok, Feb 17, 2013 in forum: XJ Technical Chat
  3. pirok
    Post

    That was fast, 1 week + 1day to Denmark

    There is a fantastic site about 2 Norwegian guys traveling around the globe. Nimbus Surprising story in many ways :o
    Post by: pirok, Feb 5, 2013 in forum: For Sale, Trade/Swap, Wanted
  4. pirok
    Thread

    That was fast, 1 week + 1day to Denmark

    Hi Len Great stuff. Very satisfied. Now! Just missing the Sun.
    Thread by: pirok, Feb 3, 2013, 3 replies, in forum: For Sale, Trade/Swap, Wanted
  5. pirok
    Post

    Turbo front brakes Mods

    And you got floating discs too - what size, original or ?
    Post by: pirok, Apr 8, 2012 in forum: XJ Technical Chat
  6. pirok
    Thread

    Turbo front brakes Mods

    Hi Turbo owners I'm looking for good ideas to make my front brakes better. I have already steel braided brake lines new sealings and so. Anyone...
    Thread by: pirok, Apr 6, 2012, 3 replies, in forum: XJ Technical Chat
  7. pirok
    Post

    Topend wars!

    Thanks for info JeffK! Could you describe your solution in details.
    Post by: pirok, Feb 28, 2012 in forum: XJ Technical Chat
  8. pirok
    Post

    Topend wars!

    Well of cause it's fine with the power up kit, but a lot of turbo owners disable the wastegate, which make the boost pressure go from 7 to 14. (In...
    Post by: pirok, Feb 23, 2012 in forum: XJ Technical Chat
  9. pirok
    Post

    Exhaust gasket

    Yes!
    Post by: pirok, Feb 18, 2012 in forum: XJ Technical Chat
  10. pirok
    Post

    XJ650 Revival

    Keep on posting. It's really fun and interesting to follow your project. Thumbs up! :D
    Post by: pirok, Feb 11, 2012 in forum: XJ Technical Chat
  11. pirok
    Post

    How do I make 10W Blinkers...Blink??

    Ohms law: R = (U*U)/P => R = (12v*12v) / 34w => R = 4.25 ohm, 34W (this is a general equation, just plug in the amount of watts you want the...
    Post by: pirok, Jan 9, 2012 in forum: XJ Technical Chat
  12. pirok
    Thread

    My first bike

    Just wanted to share this. I randomly saw this on the Internet the other day: [img] It was like looking at a picture of your first girlfriend...
    Thread by: pirok, Jan 7, 2012, 5 replies, in forum: XJ Technical Chat
  13. pirok
    Post

    Back from the dead turbo

    What a nice looking Turbo. Remember to clean the Relief Valve in the oil feed line to the turbo, they are known to collect some sludge and...
    Post by: pirok, Jan 2, 2012 in forum: XJ Technical Chat
  14. pirok
    Thread

    Renew Bush in Front Fork Outer tube

    I have Replaced fork seals on the LH outer tube (2 times), but it's still leaking. I can feel the clearance is bigger on the the left than on the...
    Thread by: pirok, Jan 1, 2012, 2 replies, in forum: XJ Technical Chat
  15. pirok
    Post

    Turbo tires

    I use Bridgestone: BT45 F 100/90-19 and BT45 R 120/90-18. (recommended size for the turbo with modern tires) I am very satisfied with those...
    Post by: pirok, Jan 1, 2012 in forum: XJ Technical Chat
  16. pirok
    Post

    General Help Getting The Old Girl Going. 1983 XJ750

    The cylinder numbers are 1,2,3,4. #1 is to the far left and #4 is to the far right. So just follow the numbers on the labels, which means that...
    Post by: pirok, Jul 11, 2011 in forum: XJ Technical Chat
  17. pirok
    Post

    Randomly Blowing the Ignition Fuse

    It's a semiconductor, so when you measure the diode resistance you will get infinite resistance one way and close to cero the other way - if so...
    Post by: pirok, Jun 26, 2011 in forum: XJ Technical Chat
  18. pirok
    Post

    Question About Changing Oil and other maintenance

    Here is what I would do: If you don't know how old the engine oil is, change it with new oil for MC and change every 3000 miles. (not oil for...
    Post by: pirok, Jun 13, 2011 in forum: XJ Technical Chat
  19. pirok
    Post

    81 Seca Fork Allen Bolt Removal

    Here is my 'tool' - a threaded rod with a fixed nut.
    Post by: pirok, Jun 12, 2011 in forum: XJ Technical Chat
  20. pirok
    Post

    Help, spark on number 1 cylinder only

    If #1 has a good spark #4 should have that too! They operates in pairs. #1 and #4 fires simultaneously and so does #2 and #3. Even if the TCI box...
    Post by: pirok, Jun 11, 2011 in forum: XJ Technical Chat
  21. pirok
    Post

    xj650 shifting problem

    I think you have to adjust the clutch free play either at the handlebar clutch lever or at the clutch see pic. (don't shift gears without using...
    Post by: pirok, Jun 8, 2011 in forum: XJ Technical Chat
  22. pirok
    Post

    Setting carb floats

    As far as i can see you have got new float needles? That could cause the problem - if they are shorter than the original. To adjust the float...
    Post by: pirok, Jun 5, 2011 in forum: XJ Technical Chat
  23. pirok
    Post

    Turbo carbs

    Try this: Clear tube 1 Clear tube 2 Church of clean Its not easy, but it should only be necessary to do once.
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  24. pirok
    Post

    To use or not - YICS Tool

    Thanks chacal. I think i got the picture now.
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  25. pirok
    Post

    To use or not - YICS Tool

    Thanks all for your replys! I will come back to to the issue when I have made a YICS tool and tried to sync without the tool and then see if...
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  26. pirok
    Post

    Turbo carbs

    Ahhhm! Could you repeat that? Starter coil and ignition coil has nothing to do with each other! Plug #1 and #4 use the same ignition coil and #2...
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  27. pirok
    Post

    To use or not - YICS Tool

    A 4 cylinder in line engine is quite symetric in operation so the pulsating condition must be the same for all cylinders intake. If you do the...
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  28. pirok
    Post

    To use or not - YICS Tool

    Well it's hard to argue against the YICS tool from a logical point of view, but in practice: what is valid for cylinder #1 must be valid for all...
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  29. pirok
    Post

    Turbo carbs

    Pilot Screws: 2-1/2 to 3 turns is the usual factory setting. Float height: The float level measurements of 2.0 +/- 1mm, see pic and use #1 as the...
    Post by: pirok, Jun 4, 2011 in forum: XJ Technical Chat
  30. pirok
    Thread

    To use or not - YICS Tool

    Well I'm sticking my neck out. I've been naughty and did the sync without using the YICS tool. It works perfectly - Spark Plugs looks exactly the...
    Thread by: pirok, Jun 2, 2011, 45 replies, in forum: XJ Technical Chat
  31. pirok
    Post

    XJ1100 brake pad - total shim or partial shim?

    As far as i know it's about noise - howlin and rattling. On the active pad the shim should be fitted to the upper half. In the bottom of the...
    Post by: pirok, Jun 2, 2011 in forum: XJ Technical Chat
  32. pirok
    Post

    Brake Warning

    Yes it could be. But try with a multimeter on the ohms scale and measure the reading with the wires from the sensor dismantled (it's an on/off...
    Post by: pirok, Jun 2, 2011 in forum: XJ Technical Chat
  33. pirok
    Post

    "checking cylinder compression" transistions to no start

    11.4 V Hm! the battery is discharged or bad: (when i charge a new battery and its fully charged with the charger on (0.1 A) i got a reading > 13...
    Post by: pirok, Jun 2, 2011 in forum: XJ Technical Chat
  34. pirok
    Post

    xj600 no hot idle

    When the engine has warmed up the idle should be adjusted to 1050 rpm. What happens when you try to adjust idle?
    Post by: pirok, May 29, 2011 in forum: XJ Technical Chat
  35. pirok
    Post

    "checking cylinder compression" transistions to no start

    Well, then i would say: try to get a couple af hundred miles on the clock and see if it ain't changing for the better. I mean that is quite...
    Post by: pirok, May 24, 2011 in forum: XJ Technical Chat
  36. pirok
    Post

    "checking cylinder compression" transistions to no start

    Immediate reaction would be - worn out cylinders/rings. In this case - not enough miles to make rings/cylinder adapt to each other. What about...
    Post by: pirok, May 24, 2011 in forum: XJ Technical Chat
  37. pirok
    Post

    "checking cylinder compression" transistions to no start

    Well I will go back a step. New rings presupposes cylinder honing. That vill make the cylinder walls a bit coarse and the new rings and the...
    Post by: pirok, May 24, 2011 in forum: XJ Technical Chat
  38. pirok
    Post

    Spark plug - opinion

    Yes it's a turbo. What you can't see on the pics is that the colors are more reddish than brown. Is that OK?
    Post by: pirok, May 24, 2011 in forum: XJ Technical Chat
  39. pirok
    Post

    Manifolds are off! Do these look leaky to you guys?

    Are there residues of a traditional gasket and O - rings on all 4? Looks a bit strange.
    Post by: pirok, May 23, 2011 in forum: XJ Technical Chat
  40. pirok
    Thread

    Spark plug - opinion

    Here are 2 pics of the same plug, different light. All 4 plugs looks exactly the same. Bike running great but: I'm a bit worried - is it too lean?
    Thread by: pirok, May 23, 2011, 7 replies, in forum: XJ Technical Chat
  41. pirok
    Post

    Coils

    + damp = weak spark or no spark. Get them new coils.
    Post by: pirok, May 23, 2011 in forum: XJ Technical Chat
  42. pirok
    Post

    750 Bobber Test Ride on 3 Cylinders...

    With a multimeter on ohms scale. Low tension side should read 2.5 ohms. High tension side should read 11 K ohms. Take the coil of and look for...
    Post by: pirok, May 23, 2011 in forum: XJ Technical Chat
  43. pirok
    Post

    This may seem stupid but....

    Well here I think, we have a good answer. The problems with the carbs is storing. Dirt and additives in the gas precipitates typicaly during...
    Post by: pirok, May 23, 2011 in forum: XJ Technical Chat
  44. pirok
    Post

    Headlight...woe is me.

    Go get a multimeter. Doing electric jobs without - it's like a blind man climbing mountains, he'll need a guide all the way up.
    Post by: pirok, May 22, 2011 in forum: XJ Technical Chat
  45. pirok
    Post

    82 Maxim Idiling Very High

    Clonk test - make sure that the piston/diaphragm operates freely - and go down with a 'clonk'. False air - check the rubbers for cracks....
    Post by: pirok, May 22, 2011 in forum: XJ Technical Chat
  46. pirok
    Post

    ignition coil

    2.5 ohms on the low tension side and 11K ohms on the high tension side. Take it of and look for cracks. As far as i know all the coil from XJ650's...
    Post by: pirok, May 21, 2011 in forum: XJ Technical Chat
  47. pirok
    Post

    problems with cylinders

    What # of cylinder are we talking about? Spark plugs should be NGK BP8ES or equivalent. IF it's true the carbs have been dismantled 3 times...
    Post by: pirok, May 21, 2011 in forum: XJ Technical Chat
  48. pirok
    Post

    Electrical problem...maybe

    Solenoid!
    Post by: pirok, May 21, 2011 in forum: XJ Technical Chat
  49. pirok
    Post

    I think I damaged my TCI

    Hm! Very rare that the carbs get clogged when you go in some place and get something to eat. After a long winters rest in the garage - yes, OK....
    Post by: pirok, May 21, 2011 in forum: XJ Technical Chat
  50. pirok
    Post

    "checking cylinder compression" transistions to no start

    Check: Church of clean ...- Check the long, skinny aluminum Main Jet NEEDLE to make sure they are the correct size, and also to make sure that...
    Post by: pirok, May 21, 2011 in forum: XJ Technical Chat
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