Stock Gearing and Gear Ratio Charts

4 replies to this topic
  • jecsr

Posted February 04, 2006 - 07:55 PM


I found these charts and thought they might help answer other member’s questions that I have also had.

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  • FFRacing79

Posted February 04, 2006 - 08:10 PM


Try this ....

YZF Gearing chart

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  • grayracer513

Posted February 04, 2006 - 09:44 PM


That's cool, but it's calcuated for an '04 with the 2.818 primary ratio. The '05/'06 has a 2.625. If you multiply the results by .93 you'll be right, but only for the 4 speed.

  • JDAM

Posted February 05, 2006 - 08:30 AM


The 05 YZ450 also has a 51 tooth rear sprocket stock.

  • FFRacing79

Posted February 05, 2006 - 08:42 AM


This is the calculator I use.

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