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tuning

  1. Need help tuning carbs on a project bike.

    Technical Help Forum
    Hello everyone Have a project 1980 CX500 Custom I've been working on for a couple months now and trying to get it running properly. As of now it starts with the choke on and idles. As soon as I accelerate it dies. I have also seen some white smoke being spit out of the carbs. Ive been messing...
  2. Tuned cx500 running again!

    Build Threads
    Hello, Ia m Niels (nelson) got my CX500 engine running again (finally) after a compleet rebuild and chaning allot of components. What do you guys think of it? still allot of tuning to do do. Setup: 1981 Honda cx500 engine Custom intake manifolds Twin Dellorto PHF 36 carbs Honda cb750...
  3. Jet Sizes with Modified Intake

    Technical Help Forum
    Hey guys, Looking forward to getting back out in this beautiful weather. I have modified my air intake on my GL650. Best I can describe it as is a large conical mono-pod filter. Basically I have removed the factory airbox, but kept the connection from the carburetors to the airbox. I then put a...
  4. Cx500 classic racer (65-70 Hp trying)

    Build Threads
    Hello, My name is Niels aka Nelson, i am major student with a specialication in Internal Combustion Engines and i accidentely bought a bike.... Had the intention to just build it up cheaply to a nice cheacky cafe racer buth the project went his own way... I bought a 1978 cx500 with 33000...
  5. Ordering the correct jet sizes for pod filters/open pipes

    Technical Help Forum
    Hi all, I've found a website: Keihin carburetor jets and parts main jet slow air pilot kit I need to order some 90 slow jets and 120 main jets for my 1980 CX500A and wondered which ones to actually order as there are so many different types? If someone can point me to the right codes for both, I...
  6. Carb tuning.. I'm clueless.

    Technical Help Forum
    So I just bought a 1980 cx500 and it runs like garbage. Pops really loud on decell and throttle response is terrible. My question is how do I tune these carbs? What tool do I need to sync them? Thanks guys!
  7. hot bike misfires

    Technical Help Forum
    Help , bought a u-beaut bobber style CX500 . After complete engine rebuild with ignitech ignition. It has a nasty misfire when hot (after about 30 min of riding ) Where do I start?
  8. Dual to Mono Exhaust Conversion

    CX Customization and Mods Forum
    I want to change the exhaust on my '82 CX500C from dual exhaust to mono, (single tail pipe), solely for looks. I plan on removing the Hbox and fabricating my own header and muffler. I'm not looking to buy anything as I'm poor and cheap. I also plan on switching to a single pod,(if I can design a...
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