carby

  1. J

    Choke does nothing, can't find vacuum leak...

    So I will preface this question by saying that I have had a lot go wrong with my bike lately and there may be multiple issues at play here... So the problem that I am having is that the motor is idling high and when I start unscrewing the idle adjust screw, once I pass a certain point it goes...
  2. lukecanna

    Black Sparkplug and Unburnt Fuel

    Hi forums, I am running 27:1 fuel mixture so 37ml of oil to 1 litre fuel. I use a short billet intake and I am experiencing alot of Unburnt fuel in my exhaust and I mean alot! As well as a black spark plug which I suppose the problem is the short intake. How do I solve this problem? Do I change...
  3. S

    HP carb problem

    so i bought one of those hp carbs of ebay. watched a few tutorials and then put it on my bike. it started up and everything seemed fine but after driving a while i noticed that the bike had lost power instead of gaining power. picture of the...
  4. N

    Engine Trouble carb leaking tons of fuel - float bowl problem I think

    my motor wouldn't start even though I had spark. I suspected something with the carb - maybe something was clogging the carb. so I completely disassembled and cleaned it, then did my best to put it back together correctly, but I'm not 100% I got everything right cuz now it runs, but it runs...
  5. Frankenstein

    Cns carburetor jets

    Don't give me crap about Cns carbs they run really nice and the new ones with 4 tubes are also very nice as long as you plug off the air inlet tube that is commonly hooked directly to the overflow tube (wtf are people thinking) and block off the second tube closest to the air filter (it's not a...
  6. T

    Re jet? Or new cdi? Or exhaust?

    Okay so ive learned a lot about the motors but still can't quite get the tuning down. So I have standard Chinese 68cc on a 90's road master. I have performance carb with size 66 jet installed, when I bought the carb I also bought sizes #66 #67 #68 #69 #70. My question is in regards to...
  7. Sitherus

    How do i check for leaks if i cant idle

    Hi Im new as of this second to this site though i have been on browsing in the background learning as much as i can for some time now I have an engine that wont idle. It must have an air leak but i dont know where. I know i need a spray bottle and run the engine to look for leaks but the only...

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