2005 Ski-Doo Racing Handbook, Page 316Get this manual
SECTION 06DRIVE SYSTEM
Always break in new belt by running it easy for 10-15 milesVary the vehicle speed and throttle setting without going over 23 throttleIt is also good idea to mark the direction of rotation on the beltOnce the belt has been used, always run it in the same directionBe careful not to bend sharply or coil up these new hard compound drive belts since they are much more prone to cracking in cold weather than earlier beltsA00C07A
1Use Ski-Doo tool (PN 414 348 200)