2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 29Get this manual
Model Specifications Table 1-98: Electrical Alternator Output Operating Voltage Watts 13.5 Vdc (Total) Watts 13.5 Vdc (After EMS) Amps 13.5 Vdc (No Load) Ignition Timing Spark Plug Gap inmm) Spark Plug 13.514.5 Vdc 780 630 60 Variable .030 (.75) Champion RC7PYCBX 3021837 Table 1-99: Track WidthInches (cm) LengthInches (cm) Lug HeightInches (cm) Track tension sag incm with 10 lbs4.54kg placed 16 in 40cm ahead of rear idler shaft 15 (38) 128 () (2.54) 7818 (2.22.9cm) Table 1-101: Rear Suspension Suspension Type Front Track Shock (FTS) FTS Spring Rate lbsin (Nmm) FTS Spring Installed Length in (cm) Rear Track Shock (RTS) Lower Outer Spring Rate Lower Inner Spring Rate Upper Spring Rate Rear Travel in (cm) Fast M-10 128 Ryde FX MPV 180 (31.5) 8.5 (21.6) Fox HPG wIFP Remote Reservoir 715 (125) 425 (74.4) 273 (48) 13 (33)