Polaris 2010 Ranger RZR 800 EFI Manual page 146

ELECTRONIC FUEL INJECTION
3. Click on "Digital Wrench Updates".
4. The Digital Wrench™ portal website should appear in a
new web browser.
5. Click on "Digital Wrench Version 3.1 Updates".
IMPORTANT: You must already have version 3.1
installed before adding these updates. They will not
install if you have version 3.0 or older on your PC.
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6. If the update file date listed is newer than your current
version and update (see "Digital Wrench™ Version and
Update ID"), download the file.
7. Click on the link shown above, save the file to your hard
disk and then double-click the icon to start the update
process.
NOTE: Do not "run" or "open" the file from where
they are. Select "save" and download them to your
PC before running the install.
8. When the update is complete, the version shown on the
right side of the Digital Wrench™ start-up screen should
match the update you just downloaded.
Digital Wrench Update 04-27-09
NOTE: Versions and updates are subject to change.
Version: 3.1 04/27/09