Description
Keep your bike’s fuel delivery completely reliable with this brand-new aftermarket fuel tap unit. Original factory petcocks are notorious for breaking down internally with pure age, allowing petrol to bypass the vacuum seals or restrict your fuel lines entirely. This uprated aftermarket Hyosung vacuum petcock assembly uses refined internal materials to prevent early failure. It delivers the perfect direct-replacement option for a worn, leaking, or weeping original valve body, instantly restoring a consistent, unrestricted flow of petrol straight to your carbs during your latest maintenance project.
Depending on current manufacturing batches, you may find minor visual styling changes on the top intake stems that slide inside the petrol tank. Some units feature a white plastic mesh straw setup with separate ON and Reserve intake tubes, while other batches utilize a single-piece molded composite mesh framework overlay. Do not worry about this variance—the underlying fitment dimensions, bolt centers, and operational flow specifications are 100% identical. It is simply a visual trait from the factory lines that helps us move fresh stock to your workbench quickly. Both variations work beautifully to ensure your engine never starves at high speed.
💎 FUEL SYSTEMS HYOSUNG VACUUM PETCOCK SPECIFICATIONS
| Uprated Internal MaterialRefined composite components that resist modern pump fuels better than original parts. | Stops Fuel SeepageBlocks raw petrol from dripping onto the cylinder heads or filling up the oil sump. |
| Complete Mounting O-RingArrives with a fresh pre-sized base seal gasket to ensure a completely airtight seal against the tank. | True Factory BlueprintSized to match standard mounting brackets to replace original codes: 44300HG5104 or 44300HG5103. |
📜 Confirmed Fitment Guide
What Model? What Year: Bolt gaps and pipe sizes match the standard gravity tank mounts for the carbs models listed below. See the diagram picture for line plumbing ports.
- Hyosung GV125 Aquila: Carb Models from 2001 to 2017.
- Hyosung GV250 Aquila: GV250 Carb Models up to 2008.
- Hyosung RT125D Karion: Carb Models from 2007 onwards.
🔧 Installation Tips & Advice
- Work Safely in Your Space: Always ensure your fuel tank is completely drained of petrol and work in a well-ventilated space before unbolting your original petcock. Keep a clean shop cloth ready to catch any stray drops from the internal tank chambers.
- Inspect Your Hoses Thoroughly: While you have the fuel tap unit unbolted, take a look over all your vacuum and fuel lines for fine hairline cracks, dry rot, or stiffness. If the rubber is soft or weathered, replace it now to prevent performance bugs.
- Follow the Layout Mappings: Plumbing your vacuum tubes and routing fuel links correctly is vital for a smooth-running engine. Check out our dedicated forum tutorials to ensure your entire system is safe and efficient: Fuel Lines Diagram and Vacuum Lines Tutorial.












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