Fuel Unit - Sym MAXSYM 400i Service Manual

Fuel Unit

Open the seat.
Remove the luggage box.
Remove the rear carrier.
Remove right & left side cover.
Remove the body cover
Remove the floor panel.
Disconnect the coupler of the fuel unit.
Loosen 4 bolts from fuel unit and remove it.
Caution
Great care shall be taken not to damage or

bend the float arm of the gauge.
When the float arm shifts to the F position or the E
position, the resistance measured shall be as
follows:
Position
E (Empty)
F (Full)
Connect the wiring to the fuel unit and the
ohmmeter as shown.
Connect the fuel unit coupler to the wire harness.
Turn on the main switch.
Move the float arm to verify the proper position of
the fuel gauge needle indicates.
Arm Position
Up (Full)
Down (Empty)
Caution
While conducting the test, turn on the direction

indicator lamp to make sure that the battery is
in serviceable condition.
To this chapter contents
Resistance
90~100 
4~8 
Needle Position
F (Full)
E (Empty)
17. Electrical System
Fuel Pump and unit
Fuel unit coupler
Full
Empty
17-19