Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Bike has intermittent problem with shutting off when input in gear
- This topic has 4 replies, 3 voices, and was last updated 6 days ago by
iyGT3k.
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Mar 26, 2026 at 2:41 AM #22156Bike Model = : 2009 gv250
Bike shuts off when put into her intermittently. I’ve jumped the kickstand switch and that didn’t help at all. I’ve checked the clutch, everything internal is checking out fine
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Mar 26, 2026 at 6:59 PM #22160
You mean it cuts out as soon as its in gear ?
If its EFi , have you downloaded the service manual on this forum to get a flashing sequence eg. the red Fi light will blink with pauses
10 blinks, 3 blinks , 3 blinks , 7 blinks = It repeats , this is Stator Sensor Coil for example. The ECU should let you know why it didn’t want to carry on , it should report itself on the dashboard once you turn the key on, dont start it. Flick the kill switch 2-3 times quickly and wait for the ECU to flash red codes on the dash.
Report back , if you struggle to understand the sequences , record it on your phone and upload the video to GoogleDrive/DropBox etc , and get a public share link, post it here and we shall see.
Otherwise , clutch switch and sidestand switch (even if bypassed would have corroded wires inside the harness, strip back and see.) – I would NOT bypass a clutch switch though especially on EFi models.
Hyosung sold Gv250 models with carbs until 2011 in some parts of the world, Hyosung introduced EFi models in 2008 with a SENTEC ECU (ultra rare now) and sold them until 2009 , then 2009 was the start of 2nd generation EFi which had Daewoo ECU until 2012 (then it is now Delphi ECU present day)
So being a 2009 of yours , I don’t know what’s under your hood (carbs? EFi? – Though EFi manual is at the forum to get error codes , if its carb model then it has way less electronics to diagnose)
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Mar 26, 2026 at 9:23 PM #22168
It’s a carb model
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Mar 27, 2026 at 3:31 PM #22170
Otherwise , clutch switch and sidestand switch (even if bypassed would have corroded wires inside the harness, strip back and see.) – I would NOT bypass a clutch switch though especially on EFi models.
Just quoting this , as those will cut sparks off too. You did not say “Cuts out when going in to 1st gear ?” ?? I could not understand your previous phrase “Bike shuts off when put into her intermittently”
So i will assume its electrical and needs stripping down to investigate either way and contact cleaner will definitely help if some pins or wires have oxidized bad causing a signal loss
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Apr 12, 2026 at 8:08 PM #22277
Has it ever switch off mid ride or always when it goes into gear? I use to lose everything and it was one thing inparticular.
Could you send us a picture of your top yoke including dash?
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