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jetting

  1. Honda TRX
    I have a 2002 400ex bored to 416 with stage 2 hotcam, ECO Big Gun exhaust, stock carb, and stock intake. I was wondering if I should get bigger jets and open my intake some more. It runs good now, a little rich but I was looking for more power if I could. I don’t have much knowledge on intake...
  2. Honda TRX
    Hello all. New person here. I have a 2008 400ex that I recently put an hmf slip on exhaust on along with a uni air filter and removed the airbox lid and snorkel. Hmf recommended a 42 pilot jet and 175-180 main jet with this set up. After installing a 42 pilot and 180 main I adjusted the mixture...
  3. Repair & Maintenance
    Ok, I have a 1991 honda 250x, and i have a cobra megaphone exhaust pipe on it, with a k&N air filter, and it has stock jets in the carb. Now i was wondering what kind of jets to run with it because of the pipe and air filter. And also, it is running rich with th stock jets too...
  4. Performance Modifications
    Alright i got my 300ex going a running good finally and i figured i would have to rejet so my brother had the stock jet out of his 400ex a 148 so just for kicks i put it in just to see how far off it would be. I did a plug check and its not far off. I have good throttle response good when i...
  5. Performance Modifications
    I got a 1996 300ex with a k&n w/ outerware and removed airbox lid and a hmf slip on with stock head pipe. Really no other performance mods but i got a 40 pilot with a 130 main in it does that sound correct? Cuz i tryed 2 do a spark plug check but its freezing cold here and almost 2 feet of snow...
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