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Forum: Carburetion / Jetting

  1. Sticky Thread Sticky: All about FCR needles.

    I just got done writing this in response to a thread, and would like to put it to some good use. At some point in the future, I'll incorporate this...

    Started by Lynk, 02-28-2010 09:19 AM
    • Replies: 0
    • Views: 255
    02-28-2010 09:19 AM Go to last post
  1. R&D Power Bowl 2 Vs Byoesen Quckshot 2/ Merge Adjustable AP

    To make the long story sort ...........http://www.drzforums.com/showthread.php?1096-AP-ADJUSTMENT.....questions! It all started from that thread. I...

    Started by Lavazutra, 08-06-2010 11:36 AM
    • Replies: 3
    • Views: 79
    Yesterday 08:29 AM Go to last post
  2. K&N filter

    do i have to rejet my carb if i switch to a K&N filter? my current setting (dynojet stage one setting): pj 25 dj needle 2nd clip from the flat...

    Started by ronaldccv, 07-26-2010 01:08 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 298
    08-07-2010 07:18 AM Go to last post
  3. What I got...

    I should have in my grubby mitts soon... a FCR39 w/ manifold and clamps off of a "good running 400e". I look at the info on the other nameless site...

    Started by michaelyogi, 07-22-2010 05:09 PM
    • Replies: 12
    • Views: 199
    07-29-2010 12:32 AM Go to last post
  4. Thumbs up Gains similar while on DRZ.

    This graph depicts similar gains when using a KLR650 CVK40mm carb on your DRZ. http://www.dynojet.com/graphs/KLR650_2120.jpg

    Started by Eddie O'Dell, 09-25-2009 05:44 PM
    3 Pages
    1 2 3
    • Replies: 58
    • Views: 1,217
    07-08-2010 01:52 AM Go to last post
  5. Blind study #1

    Jim and I did a little bit of tweaking to Debi's carb, yesterday. In a few minutes, I'll have it ready to bolt back onto the cripple's bike. Pass or...

    Started by Lynk, 03-15-2010 10:16 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 632
    07-01-2010 12:06 AM Go to last post
  6. TPS, something missing?

    Hi all, I think there's something missing from my TPS, while fitting the NCYR needle today I messed around with the TPS, when I stripped the carb...

    Started by Jimi Wishbone, 06-12-2010 10:04 PM
    • Replies: 6
    • Views: 96
    06-19-2010 10:31 AM Go to last post
  7. Thumbs up The JD Jet Kit Came Today

    Thanks for steering me to the JD kit, its the best one I have seen and good instructions too. But I haven't seen one in years. I'm not going to...

    Started by djfike, 06-10-2010 09:23 PM
    • Replies: 18
    • Views: 241
    06-17-2010 11:46 PM Go to last post
  8. Is a Jet Kit a Jet Kit?

    Hi folks. I am the new owner of a brand new DRZ400sm. I've been reading TONS of forums about mods and the such and the one that comes by often is...

    Started by Stephan26, 06-13-2010 04:25 AM
    • Replies: 4
    • Views: 83
    06-15-2010 02:50 AM Go to last post
  9. Is this the right FCR?

    My apologies for not stopping in lately here at the site. Going through a not so much into the forums lately phase. I am having my Z rebuilt and...

    Started by Sun, 06-10-2010 02:11 PM
    • Replies: 4
    • Views: 98
    06-13-2010 01:57 PM Go to last post
  10. Fcr vacuum plate slide from crf-r , does it fit to other FcrMX carbs ?

    I saw some crf250/450 diagrams and i saw that the 16037-MEB-671 vacuum plate for the carb slide pirice is between $58 to $65 ! That's a very good...

    Started by Smias, 06-02-2010 07:47 PM
    • Replies: 10
    • Views: 153
    06-12-2010 08:52 AM Go to last post
  11. Runs worse with NCYR

    Re here. http://www.drzforums.com/showthread.php?1063-Next-adjustment I actually turned around on my way to work and went home it was that...

    Started by daffy67, 06-01-2010 11:59 PM
    • Replies: 7
    • Views: 132
    06-08-2010 09:47 PM Go to last post
  12. DRZ newbie...need some help with Vacuum lines...see pics

    Hi, I'm a DRZ newb...I just bought a 2001 DRZ400e, and I'm sure the vacuum lines are being run improperly. See the pic below. The hose on the right...

    Started by PodyDRZ, 06-02-2010 06:04 PM
    • Replies: 14
    • Views: 191
    06-06-2010 03:53 PM Go to last post
  13. Cold start

    Every since I changed jetting/fuel screw settings, due to addition of RS2, my cold start is different. For a cold start I always pull choke all the...

    Started by Basco2, 06-01-2010 05:41 PM
    • Replies: 7
    • Views: 89
    06-03-2010 02:21 AM Go to last post
  14. Next adjustment

    Refer this thread about the 155 jet http://www.drzforums.com/showthread.php?1046-Do-I-need-to-run-a-155-Main... Now let's assume for now its' a...

    Started by daffy67, 04-30-2010 11:20 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 395
    06-01-2010 12:08 AM Go to last post
  15. AP ADJUSTMENT.....questions!

    Hello guys. I installed an ap heavy duty spring (thanks again Lynk) on my fcr-mx to get rid of the annoying Ο-ring that get cut every now and...

    Started by Lavazutra, 05-21-2010 01:52 PM
    • Replies: 3
    • Views: 80
    05-21-2010 10:43 PM Go to last post
  16. Do I need to run a 155 Main jet?

    Just recently I bolted up the MRd/SSW to my 434SM- FCR39MX-3x3. I've read how a 155 is suggested with a BB, do I really need to is my question. Sea...

    Started by daffy67, 04-26-2010 03:08 AM
    2 Pages
    1 2
    • Replies: 30
    • Views: 473
    04-30-2010 11:13 PM Go to last post
  17. Set up for FCR39MX with ACV

    Hi guys, I'm new to the forum. Smias talked me into registering to this forum. So here's how it goes. I've recently purchased a used FCR 39 MX (from...

    Started by assasin, 03-07-2010 12:00 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 603
    04-27-2010 12:12 PM Go to last post
  18. James Dean Jet Kit

    Can someone post a purchase link for the JD kit. I have used the Alba, DJ and stock shimmed needle setups on my other 400s. But would like to try the...

    Started by Quad82, 04-21-2010 04:43 AM
    • Replies: 2
    • Views: 73
    04-21-2010 11:32 AM Go to last post
  19. FCR 39 vs. OEM

    Ok, you're gonna have to excuse my ignorance for blatently asking this, but my freaking head is spinning from reading all these threads and posts in...

    Started by bell23, 04-16-2010 03:14 PM
    • Replies: 10
    • Views: 340
    04-18-2010 03:25 AM Go to last post
  20. bs carb on the 426f

    well iam done with tuning the carb on the yz426f i got it from my 2005 drz400sm. an installed the fcr 39(stock yz426 carb) on the dr. i installed a...

    Started by jamesmx43, 04-14-2010 12:22 AM
    • Replies: 0
    • Views: 24
    04-14-2010 12:22 AM Go to last post
  21. FcrMX39 , remove pilot air jet #100 or not ?

    I have read that removing the pilot air jet #100 is only for after market carbs like Sudco and not for carbs that came from a donor bike like yz426 ....

    Started by Smias, 02-13-2010 04:21 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 672
    04-12-2010 03:03 AM Go to last post
  22. Help with jetting the stock carb.

    ok so i installed the fcr that was on my yz426f, on the drz, runs much better!!!! so i installed the Mikuni on the yz426. starts up good but runs...

    Started by jamesmx43, 04-05-2010 11:38 PM
    • Replies: 11
    • Views: 183
    04-09-2010 12:47 PM Go to last post
  23. Motion Pro Keihin Carburetor Tool

    Has any one use this kit in a drz400 with FcrMX ? Is it possible with this to change main+pilot jet without removing the carb from the bike ?...

    Started by Smias, 03-21-2010 10:30 PM
    • Replies: 4
    • Views: 191
    04-08-2010 06:27 PM Go to last post
  24. exhaust backfire

    help! help! help! just afer the installation of fmf power bomb header + power core 4, my bike starts backfiring "bang bang bang" in the exhaust when...

    Started by ronaldccv, 03-08-2010 11:09 AM
    • Replies: 11
    • Views: 261
    03-29-2010 09:06 PM Go to last post
  25. lectron carburetor

    Anyone ever used one

    Started by old97, 03-26-2010 02:39 PM
    • Replies: 16
    • Views: 210
    03-27-2010 04:22 AM Go to last post
  26. Gaskets for FcrMX

    A friend bought a used FcrMX41 for his future drz470 but these gaskets in the circle are destroyed ...

    Started by Smias, 03-26-2010 11:32 AM
    • Replies: 6
    • Views: 81
    03-27-2010 03:59 AM Go to last post
  27. Jetting confusion...

    I have seen and read so many posts here and other places but especially here concerning jetting and stock carb upgrade. I have seen the advice from...

    Started by BurnCycle, 03-22-2010 05:59 PM
    • Replies: 11
    • Views: 162
    03-23-2010 05:14 PM Go to last post
  28. James Dean needles

    James and I have been chatting via email over the weekend. His needles are of great interest to me. While the NCYR (two taper) has been very good for...

    Started by Lynk, 03-22-2010 01:52 AM
    • Replies: 8
    • Views: 151
    03-23-2010 03:15 PM Go to last post
  29. Fcr carb help

    So where do I send my vaccum hose from the fuel tank to the fcr carb?

    Started by jamesmx43, 03-20-2010 12:42 AM
    • Replies: 1
    • Views: 68
    03-20-2010 01:50 AM Go to last post
  30. MRD/SSW, what next

    Ok, so I ordered my MRD/ssw. I am going to keep the stock carb, atleast for now. Getting ready to order JD Jet kit. Just want to make sure I get the...

    Started by C~Style, 02-22-2010 07:04 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 572
    03-19-2010 11:10 PM Go to last post

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