In addition, reviews of the SRX LE stated the machine is capable of 120 miles per hour (at sea level), which makes it one of the fastest stock snowmobiles you can buy. However, with a starting ...

It delivers so much power that the championship-winning SRX LE EPS model is Yamaha's fastest-production snowmobile. It's said to go between 115 and 120 mph, flat out when conditions allow.