2000 Arctic Cat Snowmobiles Factory Service Manual, Page 81Get this manual
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48 Place the engine mounting brackets into position on the crankcase and secure with the cap screwsTighten the 440 cc to 2.4 kg-m (17 ft-lb)Tighten the 550 cc to 2.8-3.5 kg-m (20-25 ft-lb) Fig 2-298