Technical sheet

NGK CPR8EAIX-9 spark plug

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5 Reviews

4 Questions

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Features of NGK CPR8EAIX-9

Product description of NGK CPR8EAIX-9 spark plug

Description summary

Elevate your engine´s performance with the NGK CPR8EAIX-9 Iridium IX Spark Plug. Featuring a laser-welded iridium center electrode, this premium plug offers unparalleled durability and resistance to spark erosion, doubling the lifespan of conventional plugs. Experience a consistently stable spark for smoother idle, crisper throttle response, and improved acceleration. Its advanced design enhances fuel efficiency and ensures quicker, more reliable starts in any condition. Invest in the ultimate ignition upgrade for uncompromising power, longevity, and reliability

NGK CPR8EAIX-9 Iridium IX Spark Plug

Category: Ignition
Subcategory: Spark Plugs

Unlock the pinnacle of ignition performance and engine efficiency with the NGK CPR8EAIX-9 Iridium IX Spark Plug. Engineered for the enthusiast who demands uncompromising quality and superior performance, this spark plug represents the ultimate upgrade for your high-performance engine. Move beyond standard plugs and experience a new level of responsiveness, power, and reliability that only NGK´s advanced engineering can deliver.

The NGK CPR8EAIX-9 is meticulously designed to provide an exceptionally stable and consistent spark, ensuring optimal combustion under all operating conditions. This leads to a multitude of tangible benefits for your ride, including a noticeably smoother and more stable idle, crisper throttle response, and improved acceleration throughout the entire rev range. By optimizing the fuel burn, this spark plug can also contribute to enhanced fuel efficiency, allowing you to get more out of every drop of fuel. Furthermore, its superior ignition characteristics ensure quicker, more reliable starts, even in challenging cold weather conditions.

Built for extreme durability, the Iridium IX series is crafted to withstand the intense heat and pressure of modern high-output engines. Its exceptional resistance to high temperatures and spark erosion translates into an incredibly long service life, significantly reducing the frequency of maintenance and replacement. This means more time enjoying your vehicle and less time in the garage. The advanced design also offers superior anti-fouling properties, maintaining peak performance for longer periods compared to conventional plugs. When you choose the NGK CPR8EAIX-9, you are investing in a component that delivers consistent, long-lasting performance you can trust.

Iridium Spark Plug

Features:
- NGK Iridium spark plugs currently represent the highest quality technical solution.
- They feature an iridium alloy on the centre electrode, which is welded on in a special process using a laser.
- The precious metal iridium is one of the hardest metals in the world.
- Its melting point is 2450 °C and is therefore particularly resistant to spark erosion.
- By using this metal, the service life is doubled on average compared to conventional spark plugs made of nickel.

Specifications:
- Type: Resistor Type

Choose the NGK CPR8EAIX-9 Iridium IX for a spark of genius in every ignition cycle. It is the definitive choice for riders and drivers seeking to maximize their engine´s potential, ensuring peak performance, exceptional longevity, and unwavering reliability

Specifications

Manual

Technical specifications of NGK CPR8EAIX-9

Features of NGK CPR8EAIX-9

Color Silver

Color

Silver

Key differentiators

Technology in NGK CPR8EAIX-9 spark plug

Energy rating

Warnings

5 / 5

5 Reviews

What our customers are saying about NGK CPR8EAIX-9 spark plug

These spark plugs offer excellent performance and quality, a great replacement for original parts. Buyers report improved throttle response and expect good fuel economy. The 100% Japanese construction ensures long-lasting durability, with users achieving up to 50.000 km. While iridium technology may not be noticeable in all applications, the overall quality and reliability of these scooter spark plugs are highly praised for engine power and fuel savings

Excellent

2026/07/08

Hélio Pires

Good price, I assembled it on the same day and it´s working as expected! Fast delivery by SEUR/DPD

Good for replacing oem

2026/01/19

Javier Sánchez

Good replacement for the original. Fitted on a scooter. They say it's better, but in practice, the iridium makes no difference at all.

Excellent spark plugs

2025/11/29

Luis

Perfect spark plugs, 100% Japanese, they are the second pair I've used and they last at least 50,000 km.

NGK

2024/06/06

deeptadeep

Initial throttle power improved, I hope I will get nice fuel economy too

Ngk a reference brand

2024/01/30

Edgar

I hope to achieve fuel savings and greater engine power.

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Include AI Generated questions and answers

2023-06-01

Ricardo

I have the 2023 Honda adv350 scooter with NGK LMAR8L-9 spark plug, which spark plug is compatible with the original. I found this model NGK CPR8EAIX-9. Can you confirm if it works for my scooter and look at other brands of iridium and platinum spark plugs. Thank you

Answer of Károly

No, the spark plugs reach are diferent, cpr8eaix-9 = 19mm (hex size = 16mm) and the lmar8l-9= 26.5mm (hex size = 14mm).

Answer of Jorge

I bought it for honda cb500X

* Generated by AI based on customer and product data

2024-01-11

sergio

Hello, I wanted to know which Iridium spark plug model is compatible with a 2022 Zontes G1.

Answer of Alvaro

Hi, the spark plug I bought for my Zontes G1x was CPR8EAIX-9

* Generated by AI based on customer and product data

2025-09-18

Sergio

Hello, does it fit a Yamaha Nmax 125? (GPD125-A)

Answer of Adrián

According to the manual, the spark plug size is correct. The letters IX indicate an iridium electrode spark plug.

Answer of Jose Luis

You have to look at the thread metric if it is compatible if your bike tells you CPR8EA You can buy it

* Generated by AI based on customer and product data

2025-10-06

David

I want to know if this spark plug is suitable for the 2017-19 Honda SH 125cc?

Answer of Jorge

First, check your motorcycle´s manual to find the appropriate spark plug. Then, using the matching chart, find the appropriate iridium spark plug.

* Generated by AI based on customer and product data

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Product description of NGK CPR8EAIX-9 spark plug

Technical specifications of NGK CPR8EAIX-9

Color Silver

What our customers are saying about NGK CPR8EAIX-9 spark plug

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