2007-2011 Polaris IQ Snowmobiles Service Manual, Page 59Get 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 WE Needle wRemote ReservoirC.A130270 (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) 1.25 (3.175) 781-18 (2.22.9cm)
8.0 (20) 8.09 (20.5)
Fox PS5 WE Needle wRemote ReservoirC.A.347 Square80_ (Stock)PN 7043070067PN 7043071067 .347 Square77_ (Soft)PN 7043240067PN 7043241067 .359 Square12.5# (Stiff)PN 7043079067PN 7043080067 .34711# (Stock)PN 7043407329PN 7043408329 Note: .347 spring subs to: .35911# -PN 7043528-329 -PN 7043529-329 .37513# (Heavy Duty)PN 7043550329PN 7043551329 13.9 (35.3)