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Needle Jet x2 [for Carb Body] [NJ] – Hyosung GT125 GT125R GV250 GT250R GV125

Estimated delivery dates: Jun 5, 2026 - Jun 6, 2026

£4.99

⚙️ CARBURETTOR NEEDLE JET KIT (PAIR) | RESTORE SMOOTH THROTTLE

Essential for a perfect carb rebuild. These precision aftermarket needle jets are where your main jet and needle meet, regulating mid-range fuel delivery. Replacing worn jets is crucial for smooth throttle response and consistent engine performance.

  • Precision Fit: Tested on donor bikes for perfect OEM compatibility.
  • 🛠️ Function: Crucial for accurate fuel metering in the mid-range RPM.
  • ⚙️ Compatibility: Fits all carburetted 125cc & 250cc Hyosung V-Twins.
  • 📦 Kit Includes: Two (2) Needle Jets (Gold or Silver finish).

💡 MAINTENANCE WIN: Worn needle jets cause sloppy fuel delivery and poor economy. This is an inexpensive yet vital component for reliable “Life on the Road.”

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Description

Over years of vibration and fuel exposure, the needle jet aperture can wear, leading to inconsistent fuel delivery, especially in the crucial mid-throttle range. This “Maintenance Reality” means poor throttle response and an uneven power band. Our aftermarket needle jets fit exactly like the OEM originals, tested on our donor bikes to ensure a perfect fit and function, restoring smooth carburettor performance.


💎 Precision Parts, Tested Quality

We ensure every part we stock meets the demands of UK riders. These needle jets are a core component for a reliable engine.

Accurate Metering
Ensures precise fuel delivery for optimal burn.
Smooth Response
Eliminates mid-range bogs caused by wear.
OEM Specification
Replaces 13331HM8100 / 13332HM8100.
V-Twin Ready
Set of 2 covers both carburettors.

📜 Confirmed Fitment Guide

FITS: GT125, GT125R, GT250, GT250R, GV125, GV250.
📅 YEARS: All Carburettor models (GV125 up to 2017).
⛔ NOTE: Diaphragm slides/needles NOT included. This is the brass/metal insert only.

💡 RECOMMENDED PAIRING:
Pair this with our Adjustable Jet Needle Kit to optimize your full fuel curve and unlock hidden performance. Browse Carb Spares here.

🔧 Install Tips

  • Cleanliness: Always clean the carb body channel thoroughly to prevent dirt from restricting fuel flow around the new jet.
  • Alignment: Ensure the jet is seated correctly in its body groove and aligned perfectly with the throttle slide path for smooth operation.
  • Tuning: Visit our community forums for detailed guides on how the needle jet position affects tuning and throttle response.
  • Guide: Need a full carb strip guide? Check our Tutorials & Guides forum.

📧 FITMENT QUESTIONS? Email us with your bike details.

Additional information

Weight 0.3 kg
Dimensions 10 × 10 × 2 cm

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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.