Name: EFi Fuel Pump - Hyosung GT250 GT250R GT650R ST7
SKU: 15100H99D00
Availability: InStock

EFi Fuel Pump – Hyosung GT250 GT250R GT650R ST7

Estimated delivery dates: May 16, 2026 - May 19, 2026

£79.99

💎 EFI FUEL PUMP & GASKET SET | DELPHI SYSTEM UPGRADE

Restore perfect fuel pressure and engine response. If your Hyosung is stuttering, losing power, or failing to prime, your factory pump is likely the culprit. This high-quality aftermarket unit is designed to match Delphi ECU specs, ensuring a smooth, consistent fuel flow for your GT or ST7.

✅ Performance Fix: Eliminates fueling flat spots and starting issues.
🛠️ Complete Kit: Includes the essential mounting gasket for a leak-free seal.
⚙️ EFi Optimized: Specifically calibrated for Delphi ECU models (2013-2020).
📦 Plug & Play: Direct replacement for factory pump internals.

🕒 SPECIAL ORDER ITEM: As original Hyosung production has ceased, this is a premium aftermarket unit. Please allow extra time for delivery (⌚See estimated delivery times above ^ ).

Description

A failing fuel pump is more than an inconvenience; it can leave you stranded or cause your engine to run dangerously lean. Over time, internal wear or fuel contamination degrades the pump’s ability to maintain the high pressure required by the Delphi EFi system. This aftermarket replacement is the surgical solution for the 2013–2020 range, restoring factory-standard performance and ensuring your bike fires up with total confidence every time.

💎 Precision Fueling, Proven Reliability

High-pressure performance designed to meet the demands of modern EFi Hyosung engines.

Consistent PSI Ensures stable fueling across the entire RPM range.	Gasket Included Everything you need for a professional install.
Delphi Specific Matches impedance and flow rates for 2013+ bikes.	Special Order Sourced to keep modern legacy models alive.

📜 Confirmed Fitment Guide (Delphi ECU Only)

✅ FITS: GT250, GT250R, GT650, GT650R, ST7 (GV700i)
📅 YEARS: 2013 to 2020 (Delphi EFi models).
🔧 OEM REF: 15100H99D00 | 15100HR8600 | 15100HR8610
❌ WILL NOT FIT: GV650 (All types), GD250 (Exiv), or older Daewoo/Mitsubishi ECU models.

💡 PRO TIP – CHECK YOUR FUEL FILTER:
A clogged fuel filter is the #1 killer of EFi pumps. While you have the system open, we highly recommend replacing your fuel filter to ensure your new pump stays healthy and debris-free! – Thankfully, this pump includes its own filter attached to it!

🔧 Installation & Care Tips

Safety First: You are working with fuel. Ensure the work area is well-ventilated and away from any naked flames or sparks.
Seal Integrity: Always use the provided new gasket. Lightly lubricating the seal can help it sit perfectly during reassembly.
Special Order Delivery: Because original parts are no longer made, we source these units specifically for the models listed above ^. Please allow extra time for delivery.

📧 FITMENT QUESTIONS? Email us with your bike details. For technical help or community opinions, visit the HyoRiders Forums.