Headlight or Fuel Pump Relay – Hyosung GV125S GV300S Bobber EFi Aquila
Restore power to dead headlights or a non-working fuel pump instantly. This high-quality 4-pin relay is a direct-fit aftermarket replacement for common electrical failures on your EFi Bobber. Simple plug-and-play fix.
- Function // Powers critical systems (Fuel pump, Headlights, etc.).
- Installation // Direct swap—no special tools needed.
- Quality // Sourced from Korea or Japan (Reliable, durable units).
- What’s Included // 1x (ONE) Relay (Black or Blue version).
Description
If your GV125-S or GV300S suddenly won’t start (no priming noise) or your headlights go completely dark, a failed relay is the most common and easiest issue to sort out. These small electrical switches work very hard behind the scenes, especially since daytime running lights stay turned on constantly. Fitting this quality aftermarket version guarantees stable power flow, keeping your daily transport running perfectly on everyday roads.
💎 Reliable Electrics for Peace of Mind
| Fast FixSimple push-fit installation that takes seconds. | OEM Reference MatchAccurate pin dimensions to replace factory component 38740HF8400. |
| Multi-Use DesignWorks seamlessly for the fuel line pump or lighting circuits. | Trusted QualityPremium internals sourced directly from specialized factories. |
📜 Model Fitment
Confirmed Matches: Fits the following fuel-injected modern cruisers:
- GV125-S Aquila Bobber: All fuel-injected production models (2019 onwards, including EVO lines).
- GV300-S Aquila Bobber: All models (2019 onwards, including SS and Supreme versions).
System Coverage: Fits as the primary 4-pin electronic fuel pump switch or front headlight high-beam/low-beam relay.
If you are changing out a failed relay to fix a silent petrol pump, it is highly recommended to check your fuel filter condition at the same time. A blocked inline filter forces the pump to draw much higher electrical current, which can wear out your fresh relay early.
🔧 Install Tips
- Locate the Box First: Check under your side panels or seat to locate the main fuse box housing block before unplugging anything.
- Straightforward Swap: Turn off your motorcycle ignition key, pull the faulty component straight upward out of the socket terminal, and press this fresh one home firmly. No wire cutting needed.
- Check Your Quantity: This part is sold as a single unit. If you plan to update both your main fuel system and lighting switches together, make sure to add two units to your shopping basket.
If you want to track down an annoying wiring fault or For step-by-step diagnostic write-ups or assembly tips from other Bobber riders, head to the forums.
Additional information
| Weight | 0.5 kg |
|---|---|
| Dimensions | 10 × 10 × 3 cm |
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GARAGE PICKS // ADD TO BUILD
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Upgrade Clutch Springs & Plates Friction Drive Overhaul Kit – Hyosung GV125-S EFi Bobber 125 S
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520 Upgrade Chain & Sprocket Kit [Conversion] – Hyosung GV125-S EFi Bobber 125 S
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Independent Shop supplying ride enhancements and quality spares with fast dispatch. Need assistance? Access our workshop guides, manuals, tutorials or drop by the forums for troubleshooting help.
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