10.36
ELECTRICAL
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
SPEED SENSOR
Testing
Using the special tools listed, test the speed sensor
according to the tester instructions. Remove sensor and
inspect the o-ring seal for damage or wear and replace as
required. Replacement of sensor is required as it is not
serviceable.
Replacement
1. Remove the sensor retaining using a suitable tool.
2. Coat o-ring of new sensor with anti-seize compound
or
sealant.
3. Push new sensor into gearcase housing. Install bolt
a
nd tighten to specification.
FUEL SENDER
Testing
1. Drain the fuel tank and remove it from the ATV.
2. Set the fuel tank on a flat surface.
3. Hook up an ohm meter to the fuel sender harness wire
(
B) and wire (C).
4. With the sender float in the empt
y position, the meter
should read 5 ohms.
5. Slowly tilt invert the tank so
that gravity moves the
sender float to the full position, the meter should now
read 90 ohms.
6. If the readings are not bet
ween 5 ohms and 90
ohms, or if the reading is erratic or LCD display
“sticks”, check the following before replacing the tank
assembly.
• Loose float
• Float contact with tank
•Bent Float Rod
If none of the conditions exists, the sender assembly is
fa
ulty.
NOTE: **In the event of a failure, fuel tank assembly
replac
ement is required on ALL models, as the
sender assembly or pump assembly is not
serviceable.
Speed Sensor
Test Using Special Tools:
Static Timing Light Harness
PN 2871745
Hall Sensor Probe Harness
PN 2460761
Speed Sensor Bolt Torque
8-12 ft. lbs. (11-17 Nm)
Fuel Sender
Empty: 6
Half
Full
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