NGK Spark Plug - LZMAR8BI-10 - 95680
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Product Information
Full details
This NGK Laser Iridium Spark Plug (LZMAR8BI-10) is for owners of specific Husqvarna and KTM 4-stroke motorcycle models (FE 450/501, EXC-F 450/500) seeking enhanced engine performance and longevity. Its key benefit is the iridium center electrode, offering superior resistance to wear and doubling the lifespan of conventional nickel plugs. A potential caveat is its specialized nature, requiring confirmation of compatibility for your exact model and year.
All features
| Model Part Number | 95680 |
|---|---|
| Brand | NGK |
Extended Product Information
FAQs
What makes iridium spark plugs different from standard ones?
Iridium spark plugs use a very hard and durable iridium alloy on the center electrode, which resists erosion from sparking much better than standard nickel alloys. This leads to a longer lifespan and more consistent performance.
How long does an NGK Laser Iridium spark plug typically last?
Compared to conventional nickel spark plugs, NGK iridium spark plugs offer approximately double the service life, meaning they can last significantly longer under similar operating conditions.
What is the thread size and hex nut size for this plug?
The NGK LZMAR8BI-10 has a 10mm outer thread diameter and a thread length of 26.5mm. The hex nut size required for installation is 14mm.
Is this spark plug compatible with my motorcycle if it's not a 2020-2022 model?
This specific part number (LZMAR8BI-10) is listed for 2020-2022 Husqvarna FE 450/501 and KTM EXC-F 450/500 models. For other model years or different motorcycle brands, you must check compatibility using NGK's official cross-reference guides or your vehicle's service manual.
Can I use this plug in a diesel engine?
No, this spark plug is designed exclusively for petrol (gasoline) engines. Diesel engines do not use spark plugs.
What does 'Laser Iridium' mean?
'Laser Iridium' refers to NGK's advanced manufacturing process where the iridium alloy tip is precisely welded to the center electrode using a laser. This ensures optimal placement and performance of the iridium material.
Troubleshooting
Engine misfires or runs rough
Check if the spark plug is correctly installed and torqued. Ensure the spark plug wire or coil is securely connected. Inspect the plug for fouling or damage; replacement may be necessary.
Difficulty starting the engine
Verify the spark plug is the correct type and in good condition. Ensure proper fuel mixture and air intake. A weak spark from a worn plug can cause starting issues.
Reduced engine power
A fouled or worn spark plug can lead to incomplete combustion. Check the plug's condition and replace if necessary. Also, ensure the air filter is clean and the fuel system is functioning correctly.
Pros and Cons
Pros
- Significantly longer service life compared to conventional spark plugs.
- Improved engine performance and reliability due to precise ignition.
- High resistance to wear and tear from engine heat and spark erosion.
- Designed for specific high-performance motorcycle applications.
Cons
- Higher initial cost compared to standard spark plugs.
- Compatibility is specific to certain Husqvarna and KTM models; requires careful verification.
- May require specific tools or expertise for installation, depending on the engine.
Setup, Compatibility & Care
Compatibility:
This spark plug (LZMAR8BI-10, MPN: 95680) is specifically designed for:
- Husqvarna FE 450 4T (2020-2022)
- Husqvarna FE 501 4T (2020-2022)
- KTM EXC-F 450 4T (2020-2022)
- KTM EXC-F 500 4T (2020-2022)
Always verify fitment with your specific motorcycle model and year before purchase.
Setup (Installation):
- Ensure the engine is cool before beginning.
- Locate the spark plug on your engine.
- Use the appropriate size spark plug socket (14mm hex nut size specified) to remove the old plug.
- Inspect the new plug for any damage.
- Hand-thread the new NGK LZMAR8BI-10 into the cylinder head to avoid cross-threading.
- Once hand-tight, use a torque wrench to tighten the plug to the manufacturer's specified torque (refer to your motorcycle's service manual).
- Reconnect the spark plug wire/coil.
Care:
Spark plugs are generally not serviceable and are designed for replacement. Avoid using abrasive cleaners on the plug itself. Ensure the area around the spark plug is clean before removal and installation to prevent debris from entering the engine.