2007-2011 Polaris IQ Snowmobiles Service Manual, Page 11Get 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) 144 (366) 1.25 (3.175) (STD 1.50 (3.8) (OPT 3812 (11.3cm) Suspension Type Front Track Shock (FTS) FTS Spring Rate lbsin (Nmm) FTS Spring Installed Length Inches (cm) Rear Track Shock (RTS) Front Suspension IQ 42.5 Fox HPG wIFP (STD (Rebuildable) Fox Compression AdjRemote Reservoir HPG (OPT (Rebuildable) 100 (17.5) 10.55 (26.8) 10 (25.4) 42.5 (108) 2.25 0.31 (57 7.9)