Fuel relay – 2020 Hyosung Aquila gv125s
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It will be in the battery area , so strip main seat off and you will see a rail with multiple relays on it.
On certain models of the GV125-S , Hyosung also puts a seconday fuse called “Fuel Pump Fuse” and is usually 20-30A
So yes you may see either a relay-only or Relay + Pump Fuse (Depends on Hyosung themselves)
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Disconnect one until the pump stops working , i can’t see without pictures as Hyosung moves relays around and sometimes don’t label them.
Eg. Disconnect a relay, and your lights dies == Label that one as “Headlights Relay”
Look for fuses , if there is a BOX with tiny fuses inside, the fuel pump one will also be there , if not , you will just see 1 fuse saying 15A for the entire bike but i highly doubt it. Big things like pump , regulators on the newer models are fused since they started using Delphi Electronics.
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I checked the fuse box and on the box it’s labelled which fuse is which and the labels don’t say anything about the fuel pump just the usual things like headlight, ecu etc. but my battery is drained on the bike and I found the fuel relay as it did a rapid clicking as it was getting the voltage to power the fuel pump.
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The battery is new but the fuel relay is being faulty so it was cause parasitic draw on the battery plus I’ve changed my fuel pump is new too as I changed it because the fuel filter is clogged but the fuel filter and pump are one unit in the bike so I got a new fuel pump out of it too. Other than the fuel relay, only thing I’m concerned about is a potential rectifier/regulator issue.
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Test the stator out put on its own and report back , here is a guide below
Also test the regulator
Rectifier – How to Test Stator , Battery , Regulator – GT125R Carby
Ignore that it says “GT125R” , the results are the same for its Gv125 sister
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