KYMCO Downtown 350i Repair Manual page 451

9.Electrical Systems Downtown 350i
Inspection
Use a digital multimeter to inspect the fuel cut-off relay (Fuel Pump Relay).
Set the multimeter to read ohms of resistance.
Connect the multimeter to the fuel cut-off relay connector terminals.
Connection: Black - Red/Black
Connect 12 V battery with the fuel cut-off relay connector.
Connection: Blue/Black - Black
There should be continuity only when 12 V battery connected.
If there is not continuity when the 12 V battery is connected, replace the fuel
cut-off relay.
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