2007-2008 Polaris IQ Snowmobiles Service Manual, Page 110Get this manual
Fuel Systems 3Remove the hex screws securing the fuel rail it to the cylinders8Crimp the ends of the new injector firmly on to the wire harnessIf replacing lower injector, remove the two bottom screws bolts from the lower fuel rail5Remove the failed injector(s)NOTE: Make sure that the green rubber washer comes out with the failed injector(s)Tape exposed wire and splices (11)
Measure from the end of the injector (as shown below) 3" (76.2mm) and cut the injector off