What makes iridium spark plugs different from standard ones?

Iridium spark plugs use a fine-tipped center electrode made of iridium, a very hard and durable metal. This allows for a more consistent and powerful spark, leading to improved engine performance, better fuel efficiency, and longer plug life compared to standard nickel alloy plugs.

Do these plugs come with anti-seize pre-applied?

While these plugs feature trivalent metal plating for superior anti-corrosion and anti-seizing properties, it is always recommended to apply a small amount of spark plug anti-seize compound to the threads before installation to ensure proper torque and prevent seizing.

How many spark plugs do I need for my Kawasaki Ninja 250R?

Your Kawasaki EX250F Ninja 250R uses four spark plugs. This product is sold as a box of 4, so you will have the correct quantity for your motorcycle.

1986-2007 Kawasaki Ninja 250R Spark Plugs

Name: NGK Iridium IX Spark Plug Box of 4 (CR8HIX)
Brand: NGK
Price: 36.10 USD
Availability: InStock

NGK Iridium IX Spark Plug Box of 4 (CR8HIX)

$36.10

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1986-2007 Kawasaki Ninja 250R. NGK Iridium IX spark plugs offer improved throttle response and durability.

Key Features

Fits 1986-2007 Kawasaki EX250F Ninja 250R.
Features a fine iridium center electrode for durable and consistent spark.
Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.
Provides outstanding acceleration, high fuel efficiency, and durability.
The tapered ground electrode improves starting, idling, and throttle response.
Comes as a box of 4 spark plugs.

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Fits these vehicles

Kawasaki EL250 Eliminator 1988-1989, 1991
Kawasaki EX250F Ninja 250R 1986-2007

Product Details

If you're looking to get the most out of your 1986-2007 Kawasaki EX250F Ninja 250R's engine, these NGK Iridium IX spark plugs are a solid choice. They're designed to provide a more consistent and powerful spark compared to standard nickel alloy plugs, which can lead to better acceleration and improved fuel efficiency.

The key to their performance is the fine iridium tip on the center electrode. Iridium is a very hard metal with a high melting point, meaning it holds up well in the high temperatures inside your engine and resists wear. This fine tip also helps create a stronger spark, making it easier for your engine to start and idle smoothly, and it contributes to a more responsive throttle. Plus, the trivalent metal plating on the plug body helps prevent corrosion and seizing, making them easier to install and remove down the road.

This set comes with four plugs, which is exactly what you'll need for your Ninja 250R. Upgrading to these can make a noticeable difference in how your bike runs, especially if you're looking for that extra bit of performance.