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fcr

  1. D

    Keihin Fcr 41 MK1 Mk2? And jettung?

    Can anybody identifiy this Keihin Fcr? Is it a MK1 or Mk2? It is supposed to come off a Yamaha WR 426. Is it a good Option for a '2000 Fe600? If yes, which jetting is a good point to start? My bike has an Akrapovic Full exhaust and smets (supermoto) camshaft. Best, Simon
  2. A

    Rich at idle, lean off idle Fcr mx 41 husaberg 650

    Hello. As written in the title I have this situation: Rich at idle, lean off idle. Here is my set up: MJ 155 Taper E (perfect from 1/2 to 4/4). Length K clip 2 (perfect at 1/3). Needle diameter R (perfect to 1/4). PAS 1/4 = PAJ 45 the richest measure (lean to 1/8 ). PJ 35 PS 0.5 the...
  3. G

    Husaberg need Heelp Keihin fcr 41

    hello everyone, I am asking for help, I need to adjust the carburetor keihin fcr 41 in my husaberg fc 600 00 I will add that it works on the original delorto and it does not want to on keihin, sometimes it will start and suddenly go out twice so it bounced that little legs did not break off once...
  4. C

    Anybody have a fcr TPS sensor they would sell in canada

    Would anyone have a TPS sensor off a fcr carb for a 04 450fe just seeing if anyone on here has one that they would be willing to sell and mail it to me in Ontario Canada. Mine currently have a short in the black ground wire on the TPS right where the wires go into the plastic on the carb so I...
  5. webmonstro

    FCR jetting for a 97 400

    Hi all I've been enjoing my berg for 3 years now and managed to get the stock Dellortho running well, but i came across a FCR for my other bike (XR 600) so after tunning it for the honda I've decided to try it on the berg also and if happy get anothre one for the XR Anyway i'ts a 39 mm MK2 FCR...
  6. B

    01 FC 470e FCR CONVERSION

    I'm rebuilding my 01 fc 470e, I decided to put a fcr carb on her. The Delorto worked good just wanted to update it. My issue is getting the ballpark jetting to start from. I have read all the old post and I'm not really sure which direction to go with? Currently I have 165MJ 45PJ 85SJ...
  7. canolman

    FCR 43.5mm set up?

    Has anyone got some base settings for an overbored FCR? Many thanks
  8. W

    FCR MX 41 float weight spec and part vendors needed

    Does anyone know the proper weight reject specification for the float in a Keihin FCR MX 41, which my 2007 FE550e came with? Or perhaps some kind soul has a new one and will weigh it and reply? I am used to defining float serviceability reject criteria by weight, as per...
  9. gregfreefaller

    FCR 41 carb

    Hi all Been looking round at the FCR 41 carbs. There seems to be a fair few around but looking £400 for one. Are all fcr 41's the same? Some seem to have a wire/cable? That's the TPS I believe? There's one I've seen for around £300 but looks old and in need of a refurb. I figured if I'm...
  10. zen

    Jet Needles - FCR and FCR-MX

    Jet Needles FCR, FCR-MX (35mm-41mm) Needles FCR (32mm-33mm) Needles For Husaberg carbureted motorcycles
  11. Taffy

    Keihin FCR 44mm carb

    I am having a load of the centre rings made for this carb that will allow 44mm. basically, you can bore the start and finish of the carb to 44mm but the centre 'ring' won't take it. so I have designed this ring from scratch and I'm having them made. they should be at the Telford Show on...
  12. Damo W

    FCR MX exploded view and parts reference

    Hi all, As I am concentrating on the FCR MX carb calibration at the moment, I've been reading through a great website and I find it has a lot of excellent information that maybe others here can benefit from too? Exploded view, parts reference and tech drawings/dimensions of needles etc etc...
  13. H

    FCR 39 jetting

    Hi does anyone know the correct jetting for my 02 FE650E? It has a stock exhaust, thanks!!
  14. canolman

    FCR choke cable?

    Is there such a thing? Very hard to reach with my set up, must of been done before?:unsure:
  15. B

    FCR upgrade and Install

    Hello, I am wanting to install my FCR 40 (off an 06 CRF250) on to my 91 501. Has anybody done this install? Mainly looking for jetting specs or guesses. Thanks
  16. B

    Want To Buy Keihin MX FCR 41

    Wanting to buy Keihin MX FCR 41. Thanks
  17. K

    Single cable FCR

    I bought a FCr carb for my 01 a while back. It is a 39mm that was on a wr450 (according to the seller) the carb only has accommodations for one cable as the entrance hole for the other cable is blank.... It hasn't been drilled and tapped. Has anyone run into this? Is there a problem with running...
  18. canolman

    FCR slide

    Just noticed that one of the slide 'wheels' is different to the rest?:unsure: The one on the right is different and been told is correct for this carb. I have 3 wheels at 18.7mm and one at 18.3mm, will this make any difference?:unsure: Many thanks
  19. C

    Time for an FCR

    Ive been tossing around the idea of an fcr for my 01 650 for the better part of a year. This spring my bike has been an absolute bi#<£ to start. My usual ritual used to have it lite in three kicks. This year, it has been upwards of 40 kicks. Then it runs fine and restarts first kick. I figured I...
  20. Tamas

    FCR conversion

    It seems that I have found a carburetor off a WR450 nearby. Ive been reading the owners doc for a while now but I would still like to get an accurate answer for what I have to do in order to fit this carburetor porperly. Im mean aside from the throttle and cable, things like jetting? Cheers, Tom