2010 yamaha yzf 450

1 reply to this topic
  • guitars1968

Posted February 08, 2010 - 04:12 PM


I am trying to get transmission specs, Primary reduction, and trans ratios for all gears 1 through 5. and trying to find out what RPM the rev limiter is set at in the new 2010 yamaha yzf 450. Thanks for any help anyone has.

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  • grayracer513

Posted February 08, 2010 - 09:10 PM


If you have one, you should have a manual. If not:


Meanwhile, the internal ratios are all identical to those in the '06 and up models:

Primary: 2.652:1

1st: 1.929:1
2nd: 1.533:1
3rd: 1.278:1
4th: 1.091:1
5th: 0.952:1

If you're going to use speed in gears to guess at the rev limit, remember to allow tire slip, even on pavement.

The 450's have always been set at 11,500 so far.

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