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The Green Spark Plug Company£36.98Visit shop Ngk Silmar9e9 95123 Spark Plug Laser Iridium New Ngk-Silmar9e9
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eBay£59.23Visit shop Spark Plug Iridium Fits Kawasaki Z H2 1000 21-24 SILMAR9E9 NGK (95123)
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The NGK SILMAR9E9 Iridium spark plug is designed for owners of Kawasaki motorcycles who demand reliable ignition and sustained engine performance. By utilizing advanced iridium material, this plug provides a more consistent spark and superior ignitability under demanding riding conditions. However, users should verify compatibility specifically with their Kawasaki engine model before purchase, as improper heat ranges can affect engine safety and longevity.
| Model Part Number | 95123 |
|---|---|
| Brand | NGK |
While iridium plugs come pre-gapped, if adjustment is necessary, use extreme caution to avoid damaging the brittle fine-wire center electrode.
Iridium plugs generally offer a longer service life than standard plugs; consult your Kawasaki owner's manual for recommended replacement intervals.
This plug is specifically engineered for Kawasaki; verify fitment using the NGK cross-reference tool before attempting to install in other brands.
By providing a more efficient and complete combustion, it can contribute to better fuel economy, though results vary based on riding style.
The fine-wire design focuses the electrical energy for a stronger, more consistent spark, which is a hallmark of iridium technology.
Check the gap to ensure it matches the motorcycle manufacturer specifications and inspect the ignition coil/wire for proper seating.
Verify that the engine air filter is clean and the fuel mixture is not overly rich, as fouling often indicates an issue upstream of the ignition system.
Before installation, ensure the engine is completely cool to prevent damage to the cylinder head threads. Always use a torque wrench to tighten the plug to the manufacturer's specific torque settings; over-tightening can lead to stripped threads or damage to the ceramic insulator.
