2007-2011 Polaris IQ Snowmobiles Service Manual, Page 81Get this manual
Model Specifications Electrical Alternator Output Operating Voltage Watts 13.5 Vdc (Total) Ignition Timing Spark Plug Gap inmm) Spark Plug Suspension Type Base Dragon Front Track Shock (FTS) Base Dragon FTS Spring Rate lbsin (Nmm) FTS Spring Installed Lengthinches (cm) Base Dragon Rear Track Shock (RTS) Base Dragon Rear Suspension IQ 121 IQ 121 LWT Ryde FX HPG wIFP Walker Evans HPG wIFP 130270 (2347)
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) Base Dragon Track tension sag incm with 10 lbs4.54kg placed 16 in40cm ahead of rear idler shaft
15 (38) 121 (307.3) 1.0 (2.54) (Hacksaw) 1.25 (3.175) (Ripsaw) 781-18 (2.22.9cm)
8.0 (20) 8.09 (20.5)
Fox PS5 Walker Evans Needle wRemote ReservoirCompression Adjustable .347 Square80_ (Base)PN 7043070067PN 7043071067 .347 Square77_ (Softest)PN 7043240067PN 7043241067 .359 Square12.5# (Stiff)PN 7043079067PN 7043080067 .35911# (Stock)PN 7043528329PN 7043529329 .37513# (Heavy Duty)PN 7043550329PN 7043551329 13.9 (35.3)