2006 Arctic Cat Snowmobiles Factory Service Manual, Page 338Get this manual
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Chain Case Performance Calibrations (10-Tooth Drive Sprockets)
1844 1944 1943 2044 1941 2040 2242 2241 2139 2340 2440 1940
0.409 0.432 0.442 0.455 0.463 0.500 0.524 0.537 0.5