5 Best Spark Plug For 50cc Scooter (Review) In 2023

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For many, the most difficult part of maintaining a scooter is finding the right spark plug. Ensuring that your vehicle has a clean and effective spark plug can help prevent any problems with emissions or engine performance. In this blog post, we will explore some of our top picks for the best 50cc scooter spark plugs as well as 49cc, 150cc, gy6, and more at competitive wholesale prices.

One can ignore the importance of a spark plug to your scooter ignition system. With a unique voltage-sending method, the particular plug creates a spark. The spark in your scooter’s combustion chamber causes a good explosion that leads to engine power stroke. Well, I understand things entirely might seem a little confusing for you.

No worries, as a professional mechanic, I will mention here the best spark plug for a 50cc, 49cc, 150cc, and gy6 scooter and all the related facts about spark plugs if you won a 50cc, 49cc, 150cc, and gy6 scooter.

Our Top Picks

Brand-wise Spark Plugs for 50CC Scooter Cost Chart

SerialManufacturerBrand NameSet forAverage Cost
1USonline911NGK SPARK PLUG1$5-$9
2X-PROX-PRO NGK Spark Plug1$5-$9
3MotopartscenterNGK – motopartscenter1$3-$7
4Universal MotorpartsNGK1$6-$10
5HIFROMHIFROM Spark Plug 1$8-$12

What kind Of Spark Plug Does a 50CC Scooter Take?

Well, it’s a definite thing that each engine requires one particular type of spark plug. If you’re a 50CC scooter rider, you would need a spark plug that serves several features together. With this specific spark plug, you’ll be getting easy cold starts, smooth rides, less fuel consumption, longer life, and of course, better ignition efficiency. Whatever brand you choose, make sure you’re getting all these features with the product. 

What Is the Size Of a 50cc Scooter Spark Plug?

Every scooter spark requires a plug of different dimensions. You need to select the plug according to the exact size it’s required. 

Apart from the quality, you can’t go with the wrong plug size on your scooter engine. A 50cc scooter plug will require a spark plug with a 10mm diameter and 5 / 8″. The height dimension would be 0.9 x 3.2 x 0.8 inches. This particular dimension can vary slightly according to brands. On average, the size and extent will vary according to the mentioned size.

5 Best Spark Plugs for 50cc, 49cc, 150cc, and Gy6 Scooters Of 2022

I’m a professional mechanic and had so many questions about the best 50cc scooter spark plugs. I had the opportunity to use some popular and controversial spark plugs. Here I’ll mention the five best spark plugs for gy6 as well as 49CC, 150cc, and 50 scooters. 

Let’s have a quick check on the list:

1. Best Overall: X-PRO NGK C7HSA Spark Plug

Key features

  • High-quality OEM
  • Top-quality material
  • Metal body type
  • Pre gapped feature
  • Horizontal engine ETVS
the ngk spark plug best fitting for 50cc scooter
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Product Specifications

Dimension0.352 ounces
Weight3.1 x 0.8 x 0.7 inches 

Well fitted

X-PRO NGK C7HSA makes supreme quality spark plugs with suitable fittings. It will be super easy and comfortable to install.


The material quality of X-PRO NGK C7HSA is supreme.

Pre Gapped

The gap creates slight hassles in most cases of plug installation. As X-PRO NGK C7HSA comes with a pre-gapped feature, you can leave all the worry of installations.

  • Easy to install
  • Better quality
  • Warranty
  • Not designed for all engines

2. Best For Smooth Ride: X-PRO NGK C7HSA Spark Plug

Key features

  • Metal body type
  • Designed for scooters and ATV
  • Made with triple sales to prove leakage
  • Made with an alumni silicate ceramic insulator that can provide strength and heat transformation.
  • Special plating of trivalent metal
  • Heat removal copper core aids
best overall spark plug for 50cc scooter
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Product Specifications

Weight0.8 ounces
Dimension0.9 x 3.2 x 0.8 inches 
TerminalThread stud
Thread dimension10mm

Better quality

NGK C7HSA SPARK PLUG is made with supreme quality and claims to serve better than the regular OEM ones. This would be perfect for your 50cc scooter.

Warranty ensured

NGK C7HSA SPARK PLUG holds one year of warranty with manufacturer defect replacements.


NGK C7HSA SPARK PLUG holds the power to go 30k miles by installing it in your scooter engine.

  • High-quality materials
  • Warranty ensured
  • Packaging could be better.

3. Best For Durable: NGK Genuine OEM Replacement Spark Plug

Key Features

  • Metal body type
  • 50cc-125cc horizontal engine designed
  • Holds current
  • Special design construction
find best in quality ngk spark plug
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Product Specifications

Dimension3.2 x 1.4 x 0.9 inches 
Weight0.81 ounces 

Perfect replacement

NGK-CR7HSA Spark Plug makes a great and easy replacement for your 50 ccs scooter e

Quality construction

The spark plug is made with a high-quality material body to stand unique in the long run.

Special design

The construction, installation, size, and dimensions are specially designed for perfect fitting.

  • Well fitted
  • Special design
  • Warranty
  • Not designed for all types of engine

4. Best For Quick Ignition: NEW NGK SPARK PLUG ATV QUAD

Key features

  • High-quality material body
  • It fits in Chinese ATVs/ quads and dirt bikes
  • USA shipment
another NGK for best brand in new addition
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Product Specifications

Weight0.319 ounces
Dimension3 x 3 x 0.2 inches 

Brand new

NGK SPARK PLUG is a brand-new addition with perfect fitting.


This particular spark plug is super affordable and falls in a really budget-friendly range.

Good quality

NGK SPARK PLUG comes with supreme quality material from the USA.

  • Great for savings
  • High-quality material
  • Designed for specific types of engines only

5. Best For Maximum Performance: HIFROM A7TC Spark Plug

Key features

  • High-quality part for replacement
  • 4 x Spark plug packages include
  • Professional; factory
  • Professional technical support
best selling hiform spark plug
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Product Specifications

Weight1.27 ounces
Dimension4.17 x 3.39 x 0.91 inches 

Technical support

HIFROM (Pack Of 1) A7TC Spark Plug is one of the most excellent choices for high-quality replacement.


This particular spark plug comes with three months of warranty.

Supreme quality

HIFROM (Pack Of 1) A7TC Spark Plug ensures supreme quality at a very fair price.

  • High quality
  • Professional technical support
  • Warranty service
  • Affordable
  • Designed for specific types of engines only

How Do You Change the Spark Plug On a 50cc Scooter?

Changing the spark plug on your 50cc scooter is not good. With some easy-going steps, you can replace the spark plug. Let’s get a check on the details:

  • Get a good quality spark wrench and spark plug
  • Remove the ignition coil properly with the proper wrench
  • Unscrew the plug properly
  • Try to gap the plug ( Not required if the spark plug is pre-gapped)
  • Install the new plug properly
  • Button up the spark plug

To better understand the step description, you can go for some professional spark plug-changing videos.

How Do You Check a Spark Plug On a Scooter?

In many cases, to avoid accidents and maintain safety, you need to make sure you’ve installed the spark plug in your scooter correctly. Besides, the spark plug needs to work on the property as long as it is targeted. If you’re experiencing any hassles with your scooter engine, there are some easy and simple steps to check on them. 

Get a quick check on the easy and simple steps:

  • Make your engine calm and relaxed. Leave it parked for some time.
  • Remove the seat, and fuel tank using a suitable wrench.
  • Try to unscrew the spark plug.
  • Try to check on the spark plug insulator.
  • Check the difference between center and slide center electrodes.
  • Kick the engine to check the tool of the spark.

These are some easy-to-go things, and you can check a spark plug on your scooter.

Best Spark Plug for 50cc Scooter FAQ

Where is the 50cc scooter spark plug located?

A 50 cc scooter is located at the top or side of the engine in a particular row. However, the exact spark plug location will vary depending on the brand of scooter you’re using.

What is the gap between a 50cc scooter spark plug?

This depends on what type and model you have. If in doubt, try a 0.6-mm or 0.25-inch opening to start with.

Where is the spark plug on a 50cc scooter?

Gy6, 125 ccs, 150cc, and 50cc take the same spark plugs, and the procedures are the same. The spark plug is located on the right side of the engine just in front of the fan. 

What size is a scooter spark plug?

Motorcycles and ATVs use three different types of spark plug threads: 10mm x 1, 12 MMx1.25″ & 14 mm X .75″. There are also two thread reach sizes currently in use; 1/2 inch or 3/4 inches long.


With the proper spark plug, your engine will hit a smooth drive. Here I’ve mentioned some well-researched and proven five best spark plugs for gy6, 49CC, 150cc, and 50cc scooters. Also, I’ve mentioned some relatable question answers that might help you out with spark plug installation confusion. Hopefully, these easy and simple tips will lead you to catch the best engine performance out of a 50 cc scooter.

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