Name: NGK Uprated HT Lead Spark Plug Caps (x2) - Hyosung GV125-S EFi (Injected Models from 2018+)
SKU: 33401KG7200
Availability: InStock
Rating: 5.00 (1 reviews)

NGK Uprated HT Lead Spark Plug Caps (x2) – Hyosung GV125-S EFi (Injected Models from 2018+)

Estimated delivery dates: Dec 13, 2025 - Dec 15, 2025

Rated 5.00 out of 5 based on 1 customer rating

1 review

£68.92

🏁 Need stronger, cleaner spark on your GV125S EFI? This race-spec spark plug cap from NGK comes with an integrated HT lead, giving your ignition system a serious upgrade over the weak OEM setup.

Benefits at a glance:

🌡 Runs better under pressure
🔩 Vibration-resistant for long-term reliability
⚡ More stable spark at high RPMs
🚀 Snappier throttle response
🧰 Fits for GV125S EFI with factory ignition coils
💯 Trusted NGK brand – Your Ignition Ally!

▶Check out the Customer 🖼️Photos & 📼Videos on this page to see it in action!

Description

NGK HT Leads for GV125-S EFi? – When it comes to spark delivery, second-best won’t cut it. These genuine Japanese NGK HT leads with built-in resistor caps are a clear upgrade over the factory-fitted black ones, known to occasionally fail and leave riders stuck at the roadside. Don’t let that be you – upgrade now! 💥

🧠 Many GV125S owners have reported misfiring issues linked to the OEM HT caps, especially after rain or extended riding. These uprated NGK caps solve those headaches for good.

💡 Key Benefits of NGK HT Caps:

⚡ Smoother spark delivery = Better throttle response
🔌 Superior wire quality from a trusted brand
🔥 Heat resistant, thanks to built-in ceramic resistor
🔧 Tougher EPDM rubber build – absorbs engine vibration better than OEM plastic caps
🧊 Consistent resistance – even at high engine temps

👉 Tip: Pair these with our premium NGK Laser Iridium Spark Plugs for the best performance combo!

🏍 Fitment:
Hyosung GV125-S EFi
From 2018 onwards (Fuel Injected)

🛠 Installation Steps:

Unscrew old HT cap (↺ anti-clockwise)
Screw in NGK HT Lead & Cap (↻ clockwise)
✅ Reuse the rubber “dust cover” from your OEM cap!
Double-check installation before firing up the engine

❓ Need Help? Visit our forum support section for guides or advice.

📦 Technical Specifications from NGK

⚡ FASTER COLD STARTS Low resistance cables boost ignition energy, waking up your plugs quicker – especially on cold mornings!	🌡 RUNS COLDER Phenolic resin + ceramic core = excellent heat shielding + long-term durability	🛠 VIBRATION RESISTANT Tightly bonded materials make the unit far more resilient to engine vibration
⚡ CERAMIC RESISTOR Reduces electrical interference and prevents misfiring on modern ignition systems	❄ WEATHER RESISTANT Rubber liners seal both ends to prevent moisture damage – great for UK weather	🏁 RACING GRADE Used by racers & professionals worldwide – proven reliability and spark stability

Reference OEM Part Number: 33401KG7200

🧰 Extra Installation Tips & Notes:

💧 Apply a tiny bit of dielectric grease inside the plug boot to help repel moisture and improve long-term spark quality.
📏 Both leads are pre-cut – no trimming needed. Just plug & ride!
💡 If your bike idles lumpy or struggles to start, replacing the HT leads + plugs often solves it fast.
🧽 Clean around the coil before installing to ensure no dirt gets trapped near the rubber seal.

SKU: 33401KG7200 Categories: ⚙️ Performance Kits, ⚙️ Service & Maintenance, ⚙️ GV125S-EFi Tags: efi, gv125-s, gv125s, ht cap, ignition coil, ignition coils, ngk, performance, plug & play kits, spark plug, spark plug cap, spark plugs

Additional information

Weight	1 kg
Dimensions	30 × 20 × 4 cm

1 review for NGK Uprated HT Lead Spark Plug Caps (x2) – Hyosung GV125-S EFi (Injected Models from 2018+)

Rated 5 out of 5

Lokutes – Oct 19, 2025

Get these NGK HT Leads everyone, in Combination with the Laser Iridium Spark Plugs, it makes a difference, she runs a lot smoother, better Throttle control and idle