Description
As your bike handles regular miles on local roads, the sensitive internal rubber components inside the fuel chambers eventually perish due to continuous exposure to modern aggressive fuels. This slow maintenance reality leads directly to erratic idling patterns, poor petrol economy, and deeply frustrating cold starting bugs. Our aftermarket Hyosung GT650 carb kit is an essential rebuild package for both routine servicing and comprehensive workbench restorations. It delivers all the precision internal wear parts needed to get your middleweight V-twin running cleanly, smoothly, and safely once again.
This comprehensive service bundle is curated specifically for original Mikuni fuel bodies to guarantee first-time operational reliability. The kit features uprated replacement inlet needle pins, matching needle seat housings, and high-density round bowl gaskets. Unlike generic hardware packs, we also include six unrustable marine-grade stainless steel float bowl screws. Swapping out your original chewed-up cross head fasteners ensures that any future clean-out or maintenance project remains entirely hassle-free. It provides excellent value insurance that locks fuel pressure down inside the bowls, stopping raw petrol leaks from ruining your engine finish.
💎 INDUCTION REBUILD HYOSUNG GT650 CARB KIT SPECIFICATIONS
| Precision Needle & SeatsMaintains a good fuel level inside the chamber to stop engine flooding bugs. | Nitrile Bowl O-RingsSupplied as a full pair of two gaskets to seal the front and rear fuel bodies securely. |
| Stainless Steel FastenersIncludes six rust-proof hex bolts to permanently replace original stripped casing screws. | True Factory BlueprintSized accurately to mirror original internal limits to replace reference part lines: 13323HN9100 and 13375HN9100. |
| Prevents Oil Sump WashStops wet fuel from bypassing worn rubber tips and draining down into your crankcase oil. | Additional Cross ReferencesGasket and needle dimensions map directly to original factory reference codes: 13365HN9100 and 13324HN9100. |
📜 Confirmed Fitment Guide
Hyosung Models: Internal components are sized exclusively for the standard 650cc dual-carb engine lines noted below. See the diagram picture for lower float chamber layouts.
- GT650 / GT650S / GT650R: All carburetted models across all production years.
- GV650 Aquila / Mirage: All carburetted cruiser variants across all production years.
This overhaul kit will strictly NOT fit electronic fuel-injected water-cooled layouts. It is completely incompatible with late-generation EFi or injected sports models.
🔧 Installation Tips & Advice
- Set Your Float Heights Accurately: When pushing your fresh inlet needle pins home into the towers, always measure your internal float heights carefully using a ruler. Matching original factory parameters precisely is absolute key to achieving perfect, crisp acceleration.
- Scrub the Needle Seat Orifices: Use a clean lint-free cloth along with a gentle spray cleaner to thoroughly clear away any sticky residual gum, fuel lacquer, or old varnish from the internal casting openings before you press the fresh needle seat hardware in.
- Swap In Your Stainless Hardware: Throw your soft original factory cross head screws straight into the bin! Secure your lower bowl caps using the included stainless steel hex bolts to make any future clean-out or routine maintenance checks incredibly simple.





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