I can see pro's and con's to either skid plate. The Roest plate will be stiffer and do a better job protecting the bottom of your motor. The float plate helps keep the front end up in deep snow and also protects the areas under the clutches and oil tank.
In XC racing, one of the biggest issues I've had is the body panels flexing/separating and allowing snow to infiltrate around the drive clutch. In one race in wet sloppy conditions I had snow much snow packed around my clutches that the belt kept slipping and the motor kept over revving and hitting the limiter. That was with the Yamaha skid plate that is a similar design as the Roest. I've also had my clutch side panel flex so much from hitting holes that it pushed the panel into the clutch and rubbed a hole in it. Since I've switched to a Float plate those problems were eliminated. For my riding a float plate is a better choice. Also, you don't have to buy a different front bumper to run the float plate. Just heat it up a little and it will bend to fit your stock front bumper.
In XC racing, one of the biggest issues I've had is the body panels flexing/separating and allowing snow to infiltrate around the drive clutch. In one race in wet sloppy conditions I had snow much snow packed around my clutches that the belt kept slipping and the motor kept over revving and hitting the limiter. That was with the Yamaha skid plate that is a similar design as the Roest. I've also had my clutch side panel flex so much from hitting holes that it pushed the panel into the clutch and rubbed a hole in it. Since I've switched to a Float plate those problems were eliminated. For my riding a float plate is a better choice. Also, you don't have to buy a different front bumper to run the float plate. Just heat it up a little and it will bend to fit your stock front bumper.
