They are both junk. Get a Yamaha.
1999
I actually don't know anything on snowmobiles... But here is a site I found for you regarding snowmobiles. Just copy and paste... www.snowmobileforum.com/polaris-snowmobiles
Thief River Minnesota
Polaris, Yamaha, Arctic cat, And Skidoo
Polaris snowmobiles offer many awesome features. There are some extra features that give the rider extra comfort and ease of riding in the cold snow!!
Polaris, the same people who make the snowmobiles
You can find snowmobiles at Polaris Inc 325 Broadway, New York - (212) 227-8327
only a few polaris sleds are EFI, some Indy 500s and the RXL 650s. The 500s and 650s were also made carbed but were only called an Indy 650, not RXL
"RMK" stands for "Rocky Mountain King," which is a popular line of snowmobiles produced by Polaris. These snowmobiles are designed for rough, mountainous terrain with features focused on performance, maneuverability, and durability. The name "Polaris RMK" signifies the snowmobile's ability to conquer challenging mountain landscapes.
Yamaha snowmobiles are made by Yamaha Motor Company in Japan.
Polaris Blue, Polaris is the only one who makes it and it is recommended with most polaris snowmobiles. If it is high performance, u should use the Premium synthetic GOLD