Exhuast system for a yz400f

3 replies to this topic
  • D5racer400f

Posted February 04, 2002 - 04:50 AM


I need a cheap pipe for my bike. Anyone know where and what to buy. And also if anyone knows if a jet kit in my Yz400f would stop the caughing it does.

  • Jimmy_K

Posted February 04, 2002 - 05:34 AM


Do you want aftermarket or stock. I have a extra stock pipe.

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  • YZ400Court

Posted February 04, 2002 - 06:06 AM


Check out this site motorworldracing . Scroll down to YZ400 jetting. I have a big gun pipe and love it. I ride at 2000 ft and have my jetting one size leaner (178 main, 50 pilot) than is listed in the guide. It works great. :)

  • MX974

Posted February 04, 2002 - 09:15 AM


I have the stock YZ400 header pipe and a White Brothers muffler I could sell cheap.


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