I know a guy with an old Moto-Ski UltraSonic i was thinking o buying it to restore does anyone know the cc's and if this would be a good sled to buy.

I know a guy with an old Moto-Ski UltraSonic i was thinking o buying it to restore does anyone know the cc's and if this would be a good sled to buy.[/b]

they are 439.9 cc so the are a 440 I have one an I'm looking for a crank if you know any one that has an other one.

436.6cc's They are a great sled the same as a 9500Blizzard They were one of the sleds to beat in their day.