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Free Shipping on orders over $99
Save $10 with code WYLD10 on $100+ orders
Premium motorcycle parts & accessories
Nationwide delivery in 1–3 days
Trusted by thousands of riders across the USA
🔥Spend $100, Save $10 - Use Code:
WYLD10 at Checkout
Free Shipping on orders over $99
Save $10 with code WYLD10 on $100+ orders
Premium motorcycle parts & accessories
Nationwide delivery in 1–3 days
Trusted by thousands of riders across the USA
Free Shipping on orders over $99
Save $10 with code WYLD10 on $100+ orders
Premium motorcycle parts & accessories
Nationwide delivery in 1–3 days
Trusted by thousands of riders across the USA
NGK Standard Spark Plug
Part Number: CR8EBThe CR8EB sits one heat range hotter than the CR9EB — and that matters. For engines that run cooler, see lots of stop-and-go use, or spend time at lower RPMs, a heat range 8 plug keeps the electrode clean and firing properly. This is the plug those engines came with from the factory, and for good reason.Same NGK OEM-grade construction as the rest of the standard series. 98% pure copper core, alumina silicate ceramic insulator, triple gasket sealing, trivalent plating on the shell. Nothing exotic — just a plug built to last and installed without hassle.Key Benefit
The copper core pulls heat away from the electrode fast. That keeps operating temps stable across a wide range of riding conditions — warm weather, cold starts, highway runs, low-speed urban riding. The alumina silicate ceramic insulator adds structural strength and transfers heat efficiently, while corrugated ribs along the insulator body stop flashover before it can cause a misfire.Trivalent metal plating on the shell does double duty — it stops corrosion from setting in and keeps the plug from seizing in the head. Removal stays easy even after long service intervals. Cold-rolled threads protect against cross-threading on install, which matters a lot on aluminum heads.| CR8EB Full Specifications | |
|---|---|
| Part Number | CR8EB |
| Resistance | 5000.0 Ohm |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-Removable Nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.032" (0.8mm) |
| Ground Electrode Quantity | 1 |
| Hex Size | 5/8" (16mm) |
| Insulator Height | 50.50mm |
| Manufacturer Heat Range | 8 |
| Seat Type | Gasket (Flat) |
| Reach | 0.75 in. (19mm) |
| Thread Diameter | 10mm |
| Thread Pitch | 1.0mm |
Compatibility
The CR8EB covers a wide range of powersports machines across multiple brands. It directly replaces plugs from Suzuki (09482-00570), Denso (U24ESR-NB), Arctic Cat (0217-813), Aprilia (8570084), Kawasaki (92070-0001), BMW (12 12 7 653 439), and Piaggio (638853).Aprilia Atlantic 125 and 200 (2003–2006), RXV 450/550 (2006–2008), SXV 450/550 (2006–2008), Scarabeo 125 GT (2004–2006), Scarabeo 200 (2003–2004, 2009, 2011), Scarabeo 250 GT (2004–2006), and Arctic Cat Bearcat 3000 LT (2016–2017), Norseman 3000 (2018–2019), Pantera 3000 (2016–2019).Kawasaki KX250F (2005–2006), Suzuki LT-R450 QuadRacer, Suzuki RMZ250, Husqvarna SMR 510, TC250, TC450, TC510, TE250, TE450, TE510, Vespa GT 200 Granturismo, and Vespa LX 50.Always verify against your owner's manual before ordering. Fitment is based on stock, unmodified configurations.Installtion
Straightforward job. Use a 5/8" spark plug socket and torque wrench.- Cast iron head: 7.2–10.8 lb-ft
- Aluminum head: 7.2–8.7 lb-ft
Who This Is For
NGK Standard Spark Plug plug is the straight replacement if your machine originally came with the CR8EB. Heat range 8 runs one step hotter than the CR9EB — better suited for engines that see more low-load riding, cooler operating conditions, or frequent short trips. If your service manual calls for a heat range 8 plug, this is the one.Worth stating clearly — this is a nickel electrode plug. Correct for OE nickel applications. Not the right choice if your engine came factory-equipped with iridium or platinum plugs.FAQs
What's the difference between the CR8EB and CR9EB?
One heat range. The CR8EB runs hotter (heat range 8), which helps prevent fouling on engines that run cooler or see a lot of low-RPM use. The CR9EB (heat range 9) is better suited for engines that run hotter or at sustained high RPM. Always run what your service manual specifies.Does it come pre-gapped?
Yes, pre-gapped at 0.032" (0.8mm). Still worth a quick check with feeler gauges before installing — some applications call for a slightly different setting.Do I need anti-seize on the threads?
No. The trivalent plating does that job already. Applying anti-seize on top throws off your torque reading and can lead to over or under-torquing.What torque spec should I use?
7.2–10.8 lb-ft for cast iron heads, 7.2–8.7 lb-ft for aluminum. Always use a torque wrench — aluminum threads strip easily if you go too tight.How often should I replace it?
Under normal conditions, plan on 10,000–15,000 miles for a standard nickel plug. If you're doing a lot of short trips, cold starts, or running ethanol fuel, inspect sooner.Is this the exact same plug sold at the dealer?
Same part, same factory, same stock number. The only thing different is the price.Can I run this plug on my BMW motorcycle?
Yes, for specific models. The CR8EB crosses to BMW OEM part number 12 12 7 653 439. Confirm against your model's service manual before ordering.2 reviews for NGK Standard Spark Plug Box of 4 (CR8EB)
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Teemu Myllymäki –
Standard NGK quality plugs gapped right, fit perfectly, and the bike runs smooth. Exactly what I needed.
Kevin –
Good reliable plugs at a fair price. Changed them out with 10 minutes of work and my bike runs noticeably cleaner.