Removal or mutilation of the Chassis or Engine Number. Use of parts not sold by Arctic Cat. Damage due to improper trans- portation. Failure to perform the prescribed service (1. Service after 500 km, 2. Service after 1500 km, 3. Service after 5000 km, afterwards every 5000 km or after 1 year respec- tively, it depends on what comes fi rst. Inappropriate modifi cations not expressly authorized by the manuf- acturer. In consideration of the foregoing any warranty claim is limited in duration to the various warranty periods set forth. Page 69