2007-2011 Polaris IQ Snowmobiles Service Manual, Page 31Get this manual
Model Specifications Electrical Alternator Output Operating Voltage Watts 13.5 Vdc (Total) Ignition Timing Spark Plug Gap inmm) Spark Plug Shocks IFS Spring Rate lbsin (Nmm) Spring Installed Length Inches (cm) Front Vertical Travel Inches (cm) Ski Center Distance Inches (cm) Setup Width Camber Inches (cm) Toe Out Inches (cm) Front Suspension 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) 136 (345.4) (2.54) Suspension Type 781-18 (2.22.9cm) Front Track Shock (FTS) FTS Spring Rate lbsin (Nmm) FTS Spring Installed Length (inchescm) Rear Track Shock (RTS) IQ 42.5 Ryde FX MPV 140 (24.5) 9.95 (25.3) 10 (25.4) 42.5 (108) 41.16 (104.5) 2.25 0.31 (57 7.9)0.12 (00.31)