NGK Spark Plug GR8DI-12 (90908) is a premium quality spark plug designed for HUSQVARNA and KTM veh...NGK Spark Plug GR8DI-12 (90908) is a premium quality spark plug designed for HUSQVARNA and KTM vehicles. It features an iridium alloy on the middle electrode, offering superior resistance to spark erosion and doubling the service life compared to standard nickel spark plugs. This spark plug has a thread size of 19mm, a diameter of M14, and a spanner size of 14 Bi-Hex. It is a genuine UK stock item with a 60-day returns policy.
Best current price£9.34from The Green Spark Plug Company
This guide is for owners and mechanics of HUSQVARNA and KTM vehicles looking to optimize engine performance and longevity. The NGK GR8DI-12 spark plug offers superior durability and improved spark efficiency, resulting in enhanced engine performance. Note that proper installation, including correct torque, is critical to avoid damaging the engine.
All features
Model Part Number
GR8DI-12
Brand
NGK
Extended Product Information
FAQs
What is the thread size of the NGK GR8DI-12?
The thread size is 19mm.
What is the spanner size needed?
The spanner size is 14 Bi-Hex.
What vehicles is this spark plug compatible with?
This spark plug is designed for HUSQVARNA and KTM vehicles. Always verify compatibility with your specific model.
How long is the warranty?
Please refer to the point of sale for warranty information.
How do I check if the spark plug is faulty?
Visually inspect the spark plug for wear, damage, or fouling. Use a spark plug tester to check for spark quality.
How often should I replace the spark plug?
Replace the spark plug according to your vehicle's service schedule or if performance issues arise.
What happens if I over-tighten the spark plug?
Over-tightening can damage the cylinder head threads or the spark plug itself, potentially leading to engine damage.
Troubleshooting
Engine misfires or runs rough.
Check the spark plug for fouling, damage, or improper gap. Replace the spark plug if necessary, ensuring correct torque during installation.
Difficulty starting the engine.
Inspect the spark plug for wear or damage. Ensure the spark plug is properly connected and the gap is correct. Check other ignition system components.
Pros and Cons
Pros
Improved engine performance.
Significantly longer lifespan than standard spark plugs.
Enhanced resistance to spark erosion.
Reliable ignition.
Genuine UK stock with a returns policy.
Cons
Requires proper installation and torque settings.
May not be compatible with all vehicle models – check compatibility.
Premium product, potentially higher cost than standard plugs.
Setup, Compatibility & Care
Compatibility: Verify compatibility with your specific HUSQVARNA or KTM vehicle model before installation. Check the manufacturer's specifications.
Installation: Use the correct tools for spark plug installation. Ensure the engine is cold. Refer to your vehicle's service manual for torque specifications. Tighten the spark plug to the recommended torque to avoid damage.
Care: Inspect the spark plugs periodically for wear or damage. Replace them as recommended in your vehicle's service schedule. Use a spark plug socket with a rubber insert to prevent damage during installation.