YZ426 Jetting Boosts YZ/WR400 Midrange Power

41 replies to this topic
  • rowellcory

Posted March 12, 2013 - 06:35 AM


ok now i thought i had a 48 pilot but its a 45

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  • rowellcory

Posted March 13, 2013 - 01:07 PM


update 45 pilot ekn clip 3 open pipe wr timed no lid 0-1000ft 75 pilot air works well seems to have alot more pull less throttle just like you said thanks alot for your free advice love it keep it coming


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