Name: Throttle Body O-Ring Gasket Seal - Hyosung GV125-S (EFi Bobber 125 S)
SKU: 13143KG7200
Availability: InStock

Throttle Body O-Ring Gasket Seal – Hyosung GV125-S (EFi Bobber 125 S)

Estimated delivery dates: Jul 1, 2026 - Jul 3, 2026

£29.99

🔗 THROTTLE BODY CENTRE O-RING (FIGURE-8) // GENUINE HYOSUNG OEM

The definitive fix for “untraceable” air leaks. This bespoke figure-8 seal sits between the air-intake and injector-housing halves of your throttle body. A precision-moulded OEM part essential for vacuum integrity.

✓RIDE SOONER // Restores smooth idling and corrects lean-running issues caused by aged seals.
✓FITMENT // GV125S Aquila Bobber & GV125-S EVO.
✓INTERFACE // Genuine Hyosung Factory part—bespoke dual-bore geometry for a 100% seal.
✓MANIFEST // 1x Figure-8 Throttle Body Internal O-Ring.

⚠️ SPECIAL FACTORY ORDER: Extremely limited run. Delivery time is approx 2 weeks (or less). Please manage expectations as these are made by Hyosung only. Get on the road! In stock now.

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Description

If you are chasing erratic idling or “ghost” air leaks, the culprit is often the internal seal between the two halves of the throttle body. Unlike standard O-rings, this is a bespoke Hyosung-manufactured figure-8 seal. It bridges the gap where the airbox/stepper motor pipes meet the lower assembly housing the injectors, TPS, and TMap sensor. Using a “cheap bodge fix” or generic sealant here will eventually clog your sensors—only this OEM seal provides the correct vacuum-tight compression required for the V-Twin intake.

💎 Precision Air-Flow Control

Dual-Bore Geometry Seals both front & rear cylinder intakes.	OEM Material Fuel-resistant compound for longevity.
Air Leak Solution Fixes lean-running & surging idle.	Bespoke Casting Matches the unique throttle body mating faces.

📜 Confirmed Fitment Guide

✅ FITS: Hyosung GV125-S 2019+ Onwards (GV125S EFi Bobber Models).
✅ FITS: Hyosung GV125-S EVO (All Years).
❌ WILL NOT FIT: GV300S Aquila.

💡 [PAIRING]: Air leaks are often misdiagnosed. If your idle is sticking, it may be the ISCV (Idle Stepper Motor) failing. While the throttle body is apart, inspect your sensors.

🔧 Maintenance Advice

Bore Alignment: Ensure the figure-8 is seated perfectly in the groove before tightening the housing bolts. Even a slight pinch will cause a vacuum leak.
ISCV Check: If the O-ring is replaced but the bike still hangs at high RPM, check the ISCV (Idle Stepper Motor) for carbon buildup or mechanical failure.
Part Reference: 13143KG7200 , 13143HG7200

📧 QUESTIONS? Email us or visit the HyoRiders Forums.

SKU: 13143KG7200 Categories: ⚙️ GV125-S (EFi), 🔧 Service & Maintenance Tags: 125, aquila 125 s, bobber 125 s, efi, gv, gv125-s, gv125s, oil, Oil Fill Plug, plug & play kits

Additional information

Weight	0.20 kg
Dimensions	10 × 10 × 1 cm

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Throttle Body O-Ring Gasket Seal – Hyosung GV125-S (EFi Bobber 125 S)