Arctic Cat Sno Pro 500 Operator's Manual page 66

Testing Fuel Injector Resistance
1. Disconnect the fuel injector wiring harness.
2. Set the meter selector to the OHMS scale.
3. Test between the two injector terminals. Test spec-
ification is 10-14 ohms.
4. If not within specifications, replace the injector.
Removing Fuel Injector
CAUTION
The fuel supply hose may be under pressure. Place an
absorbent towel around the connection to absorb fuel;
then remove the hose slowly to release the pressure.
1. Loosen the clamp securing the fuel supply hose to
the fuel rail; then remove the hose from the fuel
rail.
2. Disconnect the wiring harness from each injector.
3. Remove the screws securing the injector delivery
pipe to the throttle body assembly; then remove
the pipe from the injectors.
4. Remove the fuel injectors from the throttle body
assembly.
60
Installing Fuel Injector
IO031
1. Apply a light coat of oil to all O-rings; then install
the upper and lower O-rings onto each injector.
2. Install the injectors into the throttle body assembly.
3. Place the injector delivery pipe into position on the
throttle body assembly and secure with two
screws.
4. Connect the fuel delivery hose to the fuel rail and
secure with a clamp.
NOTE: When securing the fuel delivery hose,
position the clamp as shown.
CM039
5. Connect the wiring harness to the injectors making
sure the number 1 harness is connected to the
MAG-side injector.
CM203A
729-325A