I know there is a search engine that the big three auto makers use to measure vehicle registrations through the various DMV's.
Might be a little early to go that way to try and determine as all 2014's have not been delivered to the end customer yet.
Polaris is publicly traded. They refused to break out specific numbers for Indian sales at their last Shareholder earnings report. Eventually analysts will press them on it and they will report. All they did was lump Victory and Indian together and call it "motorcycle sales."