1 reply to this topic
  • lewichris

Posted July 13, 2001 - 04:18 AM


I have heard both. Two intake and three exhaust and 3 intake and 2 exhaust. What is it for sure. thanks guys.

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  • Ynahg

Posted July 13, 2001 - 04:55 AM


3 intakes and two exhaust, the most important is to fill the cilinder as good as possible with fuel/air mixture. As it concerns the exhaust gasses, they will find their way out anyway.



'99 WR400 F, YZ exhaust, throttle stop trimmed, WR timing, airbox cover removed


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