I'm looking at buying a 98 polaris. The guy told me that it has the red top U.S. built motor in it that has about 106hp. Is this a good motor or is the guy just making this up so i'll buy it? the sled is a 98 polaris it has the XCR body but has the twin cylinder motor in it. He also said that it came that way from the factory. Any help would be great as i'm new to the polaris sleds.