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  1. Traumahawk

    Increasing size of rear main jet

    Edited for content
  2. Traumahawk

    Muscle jet tuning game plan

    Edited for content
  3. N

    Looking at cobra slash cuts with jet kit?

    So I did some searching and found a thread about power loss with the slash cuts but I couldn't figure out if I run them with the stage 7 jet kit I have if I'll be running to rich anyone with the cobras care to chime in?
  4. T

    What would cause fuel to pour out of the main air jet bleed?

    I recently shotgunned the carbs, pulled and cleaned pilot air jet 1 and pilot air jet 2 on all four carbs, and replaced the idle mixture screw assembly (screw, spring, washer, o-ring) on all four carbs (a couple of the originals had a little corrosion on the outside, so I replaced all four)...
  5. D

    Jet block plug function

    Would loose jet block plugs make a bike seem (or actually be) really rich, especially at idle. I know I've got an exhaust leak, but this seems to smell pretty rich even for just idling. Morley Jet kit,stage 7 needles (3rd clip), stock springs, 152.5 mains, non-drilled slides, Hindle 4-1, a/f...
  6. T

    170 main jet with UFO StreetPro 4-2 and otherwise stock bike?

    I bought an '03 Vmax with the UFO StreetPro 4-2 on it. I've got the carbs apart to clean them because the bike felt and sounded like it was running on three cylinders at 5000+ rpm. (It's fine at light/moderate throttle below 5000.) I noticed the main jets are 170s. I'm concerned those may be...
  7. O

    Pilot fuel jet and needle clip question

    First, my pilot fuel jets are marked 40 whereas I think stock size is like 37.5? Any reason why the PO would have put a larger one in and should I bother going back to stock or can I just screw in my A/F screws a bit to compensate? Secondly, how much of a difference does half a clip on a...
  8. Micahdean

    Morley's muscle stage 7 jet kit/ Marks 4-2 exhaust

    I recently purchased Morley's muscle stage 7 jet kit/ Marks 4-2 exhaust for my 2006 vmax. I am trying to see if I can get some help with seeing what other people have their jets set to so I can have the best possible starting setup. I also was looking to see if people had any pointers or...
  9. D

    jet kits

    I got my new full exhaust need help with what jet kit to go with. any input would be helpful thanks.
  10. alexaf

    FactoryPro Jet Kit CRB-Y11-1.1-Ti - how to configure?

    Hi guys . On the third season decided to make tuning the carburetor. And he bought a set of FactoryPro CRB-Y11-1.1-Ti and ordered him to needle jet CRZ-EMU-14941. It seems everything is just translated the instructions ... but to the end and did not understand the sequence settings...
  11. T

    Pilot Fuel Jet réf?

    Too sad, i don't remember.. Pilot fuel jets are not MKD series like Main jets, right? If i am right, what are they?
  12. R

    Stage 7 jet sizes

    Hi All, First some background. Purchased my 06 last year from an original owner who had installed from what I was told, a Stage 7 kit and a 4-1 Kerker. I was never really satisfied with how the bike ran so I dropped it off to be serviced. The shop told me the slides had been drilled and needed...
  13. A

    What size main jet for stock setup with full exhaust

    Danny has my carbs and I was wondering what a good size main jet is to start out with on a all stock drive train minus a full length UFO 4-1 exhaust. Thanks
  14. P

    Does needle affect main jet size?

    Hi, Would different needles have different optimum main jet size or is optimum main jet the same for all setups? Thanks!
  15. D-Max2012

    Stock Jet question

    Hey guys, I was wondering if anyone is running stock Main Jets with the setup as stated in the manual. Carb 1 and 3 Mukini 152.5, Carb 2 and 4 Mukini 150.0 I've been looking at the threads and it seems like people are running the same Jets on all 4 carbs. I have F.P. Needles shimmed to center...
  16. D-Max2012

    Jet Question

    This may have been covered, but does anyone have detailed photos of what Jet goes where? There are 3 jets that the threads and diameters are identical but they have different diameter openings. I got a used 91 and when I opened two carbs 3 and 4, it looks like different jets are seated in the...
  17. P

    Morley jet kit mid range tuning stock needle... help

    Hi, I'm trying to get morley jet kit working with stock needle at sealevel. The stock needle doesn't seem to have adjustment possibilities. The bike pulls great with WOT at 5-7k, but when I'm not really full trottle, 2/3 of WOT maybe and going through 5-7K, it's very rough and there's a...
  18. C

    Pilot Jet Screw Thread Size

    Anyone know the size of the pilot jet screw? I need to clean out some threads and don't have a clue what size tap I need to buy to re-thread the pilot jet screw hole. Thanks, Bill USN Retired
  19. C

    Pilot Jet Screw THread Size

    Does anyone know the size of the threads on the pilot jet screw? I had to "easy out" one on a bike I bought and the threads seem to be buggered up a little as the replacement needle jet does not screw in as far as it should. I would like to buy a tap and clean the threads out but I am not sure...
  20. P

    No top end/mid end

    Hi, So i just put on UFO exhaust with morley jetkit. I have the air corrector, modified airbox and PCV connected and read on http://www.vmaxoutlaw.com/tech/cv_carb_tuning.htm that you begin with tuning the top end with main jet sizes. The problem is that I can't even get to the top end...
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