2007 Arctic Cat Factory Service Manual, 2009 Revision., Page 390Get this manual
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N19931'A1.8:.59;71'9EF.94:;3 G#"'-01'H'338.1O)H,113OH,113J
10 Tooth (2.52 inpitch)
63 60 57 66
8 Tooth (3.0 inpitch)
Engine RPM Drive Sprocket Gear Ratio