CRF1000L owners - If you are trying to decide what final drive gearing (front and rear sprocket sizes) are best for your needs check out CRF's Only Gearing RPM Calculator:
https://www.crfsonly.com/howto/gearing/ ... ulator.php
Select the CRF1000L from the menu and press the "Load" button. With our calculator you can run what-if calculations on different tire sizes, front and or rear sprocket sizes. It will provide you with comparisons for speed and RPM information per gear.
Here's a link to information on how to use our calculator:
http://www.crfsonly.com/forum/viewtopic.php?t=37723
Ken