2007-2011 Polaris IQ Snowmobiles Service Manual, Page 17Get this manual
Model Specifications Electrical Alternator Output Operating Voltage Watts 13.5 Vdc (Total) Ignition Timing Spark Plug Gap inmm) Spark Plug Suspension Type 13.514.5 Vdc 400 18_ 1700 RPM Coolant Temp120_F (49_C) .027 (.70) Champion RN57YCC Track WidthInches (cm) LengthInches (cm) Lug HeightInches (cm) Track tension sag incm with 10 lbs4.54kg placed 16 in40cm ahead of rear idler shaft 15 (38) 121 (307) 1.25 (3.2) 781-18 (2.22.9cm) Shocks IFS Spring Rate lbsin (Nmm) Spring Installed Length Inches (cm) Front Vertical Travel Inches (cm) Ski Center Distance Inches (cm) Camber Inches (cm) Toe Out Inches (cm) 2.25 Front Suspension IQ 42.5 Walker Evans wIFP Remote Reservoir Compression Adjustable (Rebuildable) 100 (17.5) 10.30 (28.4) 10.55 (26.8) 42.5 (108) 0.31 (57 7.9)