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running rich

  1. Africa Twin
    Bike has been running fine, and then the other day I mess with some fork extenders, and pushes the cables a bit to get access. Day after I was going on a trip, and I find that she barely starts, and is running so rough, that if I don't keep 1/4 of throttle, the engine dies. Felt a bit like when...
  2. Dominator / FMX
    Hi Guy’s, I will try and get some pics up at some point, hopefully over the weekend although life is pretty manic at the moment. Basically I took delivery of my NX 650 on Saturday 14th Feb, it’s been a while since owning a bike but feel that I’m already getting the hang of things again. I...
  3. Africa Twin
    Have had nothing but problems with the AT for the last few weeks, running rich backfire on start up. Carbs off & cleaned all seemed fine, weekend away with some friends in the lakes & nothing but problems. Idle speed going from 1-3000 rpm and cutting out on the trails not good when coming down...
  4. Africa Twin
    Been spending lots of time on the AT at the moment, now have a problem! Last week I changed the air box as it was split & had seen better days. While doing this I freed the choke cables off as they were seized. Now it's running really rich and fowling plugs! Any ideas??
  5. Transalp
    I´ve removed the PAIR system, the catalytic converter(sorry environment) and installed new main jets, 125´s, and the bike is still running rich. I´m riding around south america and my altitude changes from sea level to upto 5000m (Ill be hitting boliviar in a few months). The bikes running rich...
  6. Africa Twin
    Help help. I have my AT for just over a week. Love it. It was been running rich since I got it, lovely stink of unburned hydrocarbons, ugly black exhaust inner. I browsed the forum and guessed the choke. The rear one was binding a bit, came out and looks fine, the front one is knackered. the...
  7. Mechanical Advice
    Hi All, were talking jets here, now I'm running rich on my old XJ and the pilot jets appear clear and are 1.5 turns out as per spec, now I want to try and reduce the richness of the mixture, so do I tighten them up or loosen them (told you it was basic :toothy10: )
  8. Africa Twin
    Hi there. This is my first post since joining and I wish I had had found the time earlier to introduce myself and what I'm up to, before begging your help with a problem. But that wasn't to be. I really hope to be able to share good things about our trip soon and to be feeling good about...
  9. XR
    afternoon folks.just finishing my xr 600 rebuild from a wreck,but it refuses to start off the kickstart.i got it started by towing it with my missus in our car!the bike is running rich as the plug is sooty .the bike is fitted with a k&n filter also a supertrap exhaust.both jets are 122 in...
  10. Africa Twin
    Since changing to the facet fuel pump I have noticed a few things. I can only cold start without the choke. Air temp this morning was a damp 8 degree. It started fine with no throttle and first try. If you use th choke it won't start and it and it dies if you add choke. To keep it running from...
  11. Africa Twin
    when i was out in the rain the bike started to misfire and cut out. this cleared itself, thinking that this was water on the ht leads and plugs i thought nothing of it. started bike today on choke let it warm up and turned the choke off revs dropped to 1.5 rpm.. turned up the hill and the bike...
  12. Varadero
    Hi all Was wondering if anyone can help me i have a varadero xl1000 1999 (Carb) She is running rich on the back cyclinder gooey plug i put some carb and valve cleaner in the fuel not much change i just took her to italy through france and she cost a packet my brother has one too every...
  13. Dominator / FMX
    The problem is that it wont rev out, if you nail it it will rev to about 6k and no more, it will be coughing and chucking out black smoke. if you turn the fuel off and hold it on the stop it will do the same untill the fuel just about runs out then it will rev right to 7.5k and then stop because...
  14. Africa Twin
    My 07 is running rich. Black spark plugs all over. Choke ok, what are my options?
  15. Africa Twin
    Have always known my bike is thirst - 94 07 model - but thought that was down to my hard riding but looking at the figures in the MPG posting I have a problem. It is running rich but the choke cable moves and when the bike is cold it does increase the revs. Conversly, when it is warm it reduces...
  16. Varadero
    HI I have a 99 Carb Varadero XL1000 and it has started to run rich. Someone following me today told me he could smell me - I think he meant the exhaust but not sure! The Spark plugs were new 1,000 miles ago and starts fine. Exhaust is black and there is no smoke. I have a Heynes manual for it...
  17. XL
    Hi all. I have an xl125rc. I have just put a new piston in it and for some reason I cannot get it to run right. All the timing is set right, but it has no guts at all. When you slow down and then go back on the throttle it holds back and you can feel it surging. It then clears and accelerates...
  18. Mechanical Advice
    Has anyone here any experience of having a bike's fuelling set up just right on a dyno? Any idea of a rough price? I have had the carbs off and done the float heights but TBH I could spend the rest of my life trying things, it needs some one who does it day in day out. If I knew what the...
  19. XR
    Hello guys.I managed to get my hands recently on my now favorite bike.This xr400 is so much fun!bought with improvements in mind(and price)i have had a rear wheel relace and wheel bearings front and back.Renthal x ring chain with 45 rear sprocket and im still running on the 15t front but have a...
  20. Past National Meets
    Firstly - National Meet - what a laugh! was great to meet loads of faces although to my acute embarrassment i cannot remember who everyone was or wether names i was told were real names or cyber names!! either way was great to meet you all and i'm just gutted i couldn't stay for the rest of...
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