05 450 spitting fire


1 reply to this topic
  • yzf450chad

Posted August 04, 2007 - 06:37 AM

#1

05 yzf 450 spitting fire!!! I recently bought a 05 450 and have been doing a few upgrades such as plastics,graphics,etc. I put a full white bros carbon exhaust system on it and now when you give it gas it shoots flames out the pipe. I am pretty sure it is a jetting issue but any advice on which size to go to assuming the one in the carb is stock? Thanks in advance. :worthy:

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  • grayracer513

Posted August 04, 2007 - 07:05 AM

#2

If it's missing and shooting fire under a load, that's a problem. If it's popping after you let off the gas, on decel, it's probably more likely an air leak in the new exhaust.

Read:

http://www.thumperta...599#post3710599





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