Most of the Polaris Service Bulletins that I have seen, have this at the end of the document:
QUOTE
The information contained within this Bulletin is confidential and protected by U.S. and international copyright laws, and is the property of Polaris Sales Inc. This Bulletin is provided for the sole use of authorized Polaris dealers and distributors. This Bulletin is not to be distributed, duplicated, or copied, digitally or otherwise, without the written consent of Polaris Sales Inc. © 2007 Polaris Sales Inc.
I don't know whether SnowmobileWorld.com has a good lawyer or not, but violating copyright laws can have serious penalties.