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mixture

  1. F

    Fe650 2002 mixture problem

    Hello everyone! My friends fe650 starts easily and runs when it's cold but a bit uneven on little gas and when it gets hot the smallest throttle movement kills it, the pilot jet is size 33 and I think on a original Husaberg there is one in size 38?? The main jet came in size 190, we change to a...
  2. O

    fs650e mixture screw

    hey guys i have just bought a fs650e 05 model and the guy i bought it of said he had it jetted and the mixture screw changed. i was messing around with the tuning and noticed the mixture screw just pulls out of the carby. is this normal? and any tips on tuning would be great! Thanks guys
  3. B

    FE450 very lean mixture

    Hi there, Have A new toy 2008 fe450 supermoto conversion, and decided to look a spark plug and its very white , as example http://www.dansmc.com/Spark_Plugs/Spark ... talog.html 22-23 pictures Seems to be its to lean and I a little bit worry about that: at the moment I have checked: Spark plug...
  4. G

    Mixture Screw

    I am looking to buy a R&D easy access mixture screw. Anybody using one? Are they made well or is the needle part cheap? I dont want to mess up my carb with bits of aluminum.
  5. L

    Mixture screw problem????

    Hi all, I've a problem with my Husaberg FE400 2003. I can start my Husa easy with the kickstart, but i can't adjust the optimal mixture. With the motorbike started i can totally close and totally open (6-7 turns) the mixture screw, and the motor don't stop and have no sound change. I think it...
  6. spanner

    mixture screw right in!

    fs650e, 148 main jet, Dales needle clip position 1 up from supplied position. pilot fuel jet 48, Adjustable pilot air 1 turn out, have tried 1 1/2 turns, same. Akro exhaust, carb bored 43mm, 38mm inlet valves, 32mm exhaust valves, port work done, LX1 cam. With motor running I can...
  7. C

    Dellorto PHM40 - mixture and idle

    To all the Dellorto gurus out there I've got a couple of problems with mine. Problem 1. The idle speed stays 5/600 rpm higher for a few seconds after it's been revved. Eg. The bike idles at a nice pace then when you ride or rev it and wind off the throttle the revs will stay up a bit...
  8. D

    mixture screw

    hi should the bike run if the mixture screw is in all the way.bike is a fc550 with dellorto carb.all the jets and internals of the carb are as the book says.the bike starts well from cold about 3rd or 4 th kick and runs great with the mixture screw out 2 and 1/2 turn out.when the engine is...
  9. Ady

    Dellorto mixture screw, no washer & rubber seal

    Dellorto gurus ! When trying to set my mixture and idle screws, the smoothest running is with the mixture screw all the way in. I notice the little washer and rubber is missing and wondered if that could be the reason. Please advise Regards Ady
  10. viper

    04 mod husa 650,the fuel mixture is to lean,what to do?

    hello :) i`m not very good in english but i have a problem with my berg, i have a 2004 husaberg fe650.the bike is orginal with orginal husaberg exhaust system and orginal jetting.but the spark plug is white and the bike is backfiering(pang pang when i let go of the trottle) is it...
  11. O

    remote mixture screw

    hi guys, long ago i replaced my old vhsb 38 with an phm 40 sd in my 95 fe 600. i have a problem with the mixture and the idle speed screw, they are located at the right side of the carb where they are totally covered by the fuel tank. i have to partially remove the tank so as to adjust the...
  12. S

    Mikuni TMR41 Mixture query

    I got a Mikuni TMR41mm carb on my 2002 650SM. When I turn the mixture screw in and out it has no effect on engine RPM. Do I need a smaller or larger holed pilot jet ? I don't know whether its an air screw or a fuel screw. Also there isn't much difference between the choke on and not on...
  13. ENFORCER4

    Fuel mixture screw

    Hello All, The other day I reset my idle adjustment on my quad to run at aproxametly 1,800 rpm. Then tried to adjust my mixture screw and it does not make much difference if it is screwed out almost all the way or nearly all the way in. The only increase in rpm that is noticeable is at...