Motorcycle Spark Plugs

Explore our range of motorcycle spark plugs and accessories

Healthy spark plugs are essential for optimal performance, fuel efficiency and engine reliability. Neglecting to replace worn plugs can lead to costly repairs and a frustrating riding experience. Regular maintenance of your motorbike spark plugs ensures your engine delivers the power you need, whether you’re tackling tough trails or cruising through city streets.

At Sun City Motorcycles, we stock a wide selection of high-quality motorcycle spark plugs and motorbike parts. From trusted brands like KTM, NGK, Honda and Suzuki, we have the ones you need to keep your bike running at its best. We also carry essential accessories like spark plug caps for a complete solution.

Whether you need new plugs for your off-road adventures or you’re stocking up for a weekend spin, we’ve got the right stuff to get the job done. Don’t wait until your engine is struggling — explore our range of spark plugs and get fast, free shipping when you spend over $99.

What are motorcycle spark plugs?

A motorcycle spark plug generates the spark needed to ignite the air-fuel mixture inside your bike’s combustion chamber. This ignition creates the explosion that powers the engine, keeping your bike moving smoothly.

Each plug consists of a metal thread, an electrode and a ceramic insulator. Connected to the ignition system, the spark plug cap ensures the spark reaches the plug efficiently, enabling your engine to fire on all cylinders. Without a properly functioning spark plug, your motorcycle might struggle to start, run poorly, or fail to deliver power when you need it most.

Need help with your spark plugs? Explore our range of replacement spark plugs online or contact our team for expert advice. We’ll make sure you’ve got the right plugs for your ride. 

Types of motorcycle spark plugs

When choosing motorbike spark plugs, it’s crucial to pick the right ones for your bike. Here are the most common types:

Standard Spark Plugs

Typically made of nickel alloy, these are reliable and cost effective, ideal for everyday riders.

Iridium Spark Plugs

Known for their durability and efficiency, these plugs last longer and deliver a more precise spark.

Platinum Spark Plugs

Similar to iridium, platinum plugs offer extended longevity and improved performance.

At Sun City Motorcycles, we stock a variety of spark plugs to suit different bike models. If you’re ready to change your plugs, browse our range and find the perfect fit for your bike today.

How to replace your spark plugs

Replacing your motorcycle spark plugs can be straightforward if you have the right tools. While every bike is different, here’s a general guide to changing your plugs:

1. Prepare your tools and parts — You’ll need a socket wrench, spark plug socket and gap gauge. Ensure you have the correct replacement plugs for your bike.
2. Access the spark plugs — Remove the spark plug cap and any components that might cover the plugs, such as the tank or side panels.
3. Remove the old plugs — Use the spark plug socket to carefully unscrew the old plugs. Be gentle to avoid damaging the threads.
4. Check and gap the new plugs — Verify the gap on your new plugs matches the specifications in your manual. Adjust if necessary with a gap gauge.
5. Install the new plugs — Thread the new plugs by hand to avoid cross-threading, then tighten them with the wrench.
6. Reconnect and test — Reattach the spark plug cap and test your bike to ensure everything is running smoothly.

Always read the instructions from your bike’s manual before replacing your spark plugs. If you’re unsure about the process, we recommend visiting a mechanic for an expert opinion. 

Why should you replace your spark plugs?

Over time, spark plugs experience wear and tear due to the high temperatures and pressure within the engine. Here are some signs it’s time to replace your motorcycle spark plugs:

Difficulty Starting Your Motorcycle

A weak or worn spark can make starting your engine a challenge, especially in cold weather.

Poor Performance

Hesitation, misfires, or reduced acceleration might be a sign that your plugs need attention.

Increased Fuel Consumption

Faulty spark plugs can cause incomplete combustion, wasting fuel and costing you money.

Rough Idling

If your bike is vibrating excessively or the engine isn’t running smoothly, worn spark plugs could be the culprit.

It’s important to consult your owner’s manual to determine the recommended interval for replacing your motorbike spark plugs. For many bikes, this is every 8,000 to 15,000 kilometres, but high-performance or off-road bikes may need replacements more frequently.

Shop now and keep your ride running smoothly

Ready to give your bike the care it deserves? Browse our range of motorcycle spark plugs and accessories online. With top brands in stock, fast shipping, and expert advice, Sun City Motorcycles has you covered. Find the right plugs for your bike and add them to your cart today — your engine will thank you!