No Spark !!! GV125-S Bobber 2022 (GV125S EFi)
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Bike Model = : GV125s Bobber 2022
Got a bike in the shop recently and has no spark
still cranks over and fuel pump primes
owner has changed coils and no change, have checked all usual culprits
side stand switch was mangled so I traced it and bypassed it, no change, codes present were Ignition coil 1/2 low circuit and crank sensor, checked crank sensor and no metal on pick up and stator is t burnt.
thinking it may be ECU but I usually work on Jap/German/British stuffany ideas or common faults, I see they use the same coils as some of the Lexmoto cruisers
thankyou 🙏
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Well it’s going to be a fuel injection one I assume, with the stator burned out the rectifier is almost certainly toast until that side is sorted it’s going to be a nightmare, if the voltage isn’t correct then the ECU will just play up.
Auto correct stator isn’t burnt and reg looks ok it just won’t spark at all
Hyosung regulators have always (even the chinese £10 clones) been smoking the bikes or causing all sorts of cvharging issues.
An ECU is not cheap or possible to acquire right now, it doesn’t take much to fry it as Simon said.
If you intend to keep her for long, this will be the most important – numero uno – investment on the electric side of things.
[Regulator Upgrade Part – GV125S ]
Test your stator as simon says and report back the readings.
Use this as a guide (ignore that it says GT125, the instructions apply to all Hyosungs as they still use 3-Phase stators):
Rectifier – How to Test Stator , Battery , Regulator – GT125R Carby
Simon knows enough , go with what he says if i don’t reply. 👍
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