4.18
CARBURATION AND FUEL SYSTEM
© Copyright 2011 Polaris Sales Inc.
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
4. Locate fuel pump / sending unit connector.
5. Disconnect the fuel pump / sending unit connection
and measure the resistance between the Purple and
Brown wires (see chapter 10 for further details). If out
of specification, replace the fuel pump.
FUEL PICK-UP / SENDING UNIT
REPLACEMENT (CARB.)
Fuel Pick-up / Sending Unit Replacement
Fuel Sender Resistance Specifications:
Full: 90 +/- 5%
Empty: 6 +/- 5%
Always wear safety goggles when working with
high pressure or flammable fluids. Failure to do
so could result in serious injury or complications.
PFA NUT
Fuel Sending Unit Float Arm
PFA Gasket
Clean Area
Around PFA Nut
70 ± 5 ft. lbs.
(95 ± 7 Nm)
Discard the PFA nut and
use a new PFA nut upon
sending unit.
reinstallation of the fuel
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