2005 Ski-Doo RT Series Shop Manual, Page 322Get this manual
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Section 10 TECHNICAL DATA Subsection 01 (MACH ZSUMMIT 1000 SDI)
88 (3.465) 82 (3.228) 997.47 (60.870) 12.20 0.5 7900 Semi-trapezoidal 0.55 to 0.70 (.0217 to .0276) 1.00 (.0394) 0.45 to 0.