1. Motorcycle Spark Plugs For Sale
  2. sku: 13996127883756632
  3. YAMAHA CR9-EIX00-00-00

YAMAHA CR9-EIX00-00-00 Spark Plug

fits make: Yamaha.

Cr9-eix00-00-00 Yamaha Spark Plug

( Manufacturer Part Number: CR9-EIX00-00-00 ), ( Part Type: Spark Plug ), ( Manufacturer Warranty: No Warranty ), ( Mpn Fits Multiple Applications: Each Oem Mpn Can Be Used On Multiple Ymm Combinations ), ( What Are You Buying: You Are Buying The Individual Mpn Referenced In The Listing Title ), ( Genuine Oem: Yes ), ( Activity: Scooter )

Review YAMAHA Spark Plug

The **Yamaha CR9-EIX00-00-00 Spark Plug** is a precision-engineered ignition component designed specifically for Yamaha s CR9-EIX00 model, ensuring optimal performance, reliability, and longevity for this high-performance outboard engine. Crafted with Yamaha s signature attention to detail, this spark plug is engineered to deliver a consistent, high-energy discharge that maximizes combustion efficiency, resulting in smoother power delivery, improved fuel economy, and reduced emissions. The plug features a **resistor-type design**, which helps minimize radio interference while maintaining a stable ignition arc, making it ideal for both recreational boating and demanding applications where interference could disrupt onboard electronics. Constructed from high-quality **nickel alloy electrodes**, the spark plug is built to withstand the harsh marine environment, including exposure to saltwater corrosion, vibration, and temperature fluctuations, ensuring durability even in the most challenging conditions. Its **fine-wire electrode** configuration promotes a precise and reliable spark, reducing misfires and enhancing overall engine responsiveness. Additionally, the plug s **heat range** is carefully calibrated to prevent pre-ignition (knocking) while maintaining efficient heat dissipation, striking the perfect balance for the CR9-EIX00 s performance requirements. Whether used in a leisurely cruise or high-speed maneuver, this spark plug plays a critical role in sustaining the engine s power output and extending its operational lifespan. For marine enthusiasts who demand nothing less than excellence, the Yamaha CR9-EIX00-00-00 Spark Plug is an indispensable component that upholds the brand s reputation for innovation and dependability.

### **Pros and Cons of buying a Yamaha CR9-EIX00-00-00 Spark Plug**

The **Yamaha CR9-EIX00-00-00** (or similar OEM spark plug for the Yamaha CR9 motorcycle) is an original equipment (OEM) part designed specifically for the CR9 s engine. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Engine-Specific Design**

The CR9-EIX00-00-00 is engineered to match the CR9 s combustion chamber and ignition system precisely. This ensures optimal performance, fuel efficiency, and reliability, as it is calibrated for the bike s power output and engine specifications.

2. **High-Quality Materials**

Yamaha uses durable materials in its OEM spark plugs, including corrosion-resistant electrodes and high-quality insulators. This reduces the risk of misfires, fouling, or premature wear, especially in demanding riding conditions.

3. **Long Service Life**

OEM spark plugs are typically designed for extended use, often lasting between **10,000 to 20,000 miles** (or more, depending on riding style and maintenance). This reduces the frequency of replacements compared to aftermarket plugs that may wear out faster.

4. **Warranty Coverage**

Purchasing an OEM part often comes with Yamaha s warranty, which may cover defects in materials or workmanship. This provides peace of mind, especially if the plug fails prematurely due to manufacturing issues.

5. **Consistency with Factory Performance**

Since the plug is identical to the one installed at the factory, it maintains the CR9 s intended power delivery, throttle response, and overall drivetrain behavior. Aftermarket plugs with different heat ranges or gap settings can alter performance unpredictably.

6. **Ease of Installation**

OEM plugs are designed to fit seamlessly into the CR9 s ignition system without requiring modifications. They come pre-gapped and ready to install, saving time and effort compared to some aftermarket alternatives that may require adjustments.

7. **Compatibility with Yamaha s Tuning**

If you plan to modify the CR9 (e.g., with a tune, exhaust, or carburetor changes), an OEM plug ensures compatibility with Yamaha s tuning protocols. Aftermarket plugs with different heat ranges could lead to overheating or fouling if the engine s air-fuel mixture is altered.

8. **Reliability in Harsh Conditions**

The CR9 is often ridden in varied environments, from dusty off-road trails to high-speed highway cruising. The OEM plug is built to handle these conditions without losing performance or reliability.

9. **No Risk of Voiding Warranty (If Applicable)**

If your CR9 is still under Yamaha s factory warranty, using an OEM plug ensures that modifications (like plug replacement) do not void coverage for other components. Aftermarket parts may risk warranty invalidation.

10. **Minimal Risk of Cross-Threading**

OEM plugs are manufactured to Yamaha s exact specifications, reducing the chance of cross-threading or damage to the plug hole during installation a common issue with aftermarket plugs that may not fit perfectly.

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### **Cons**

1. **Higher Cost Compared to Aftermarket Options**

OEM spark plugs are typically **more expensive** than equivalent aftermarket alternatives. For example, a single OEM CR9 spark plug may cost **$15 $30**, while a high-quality aftermarket plug (e.g., NGK, Denso, or Champion) could range from **$5 $15 each**. Over time, this adds up, especially if replacements are needed frequently.

2. **Limited Availability Outside Yamaha Dealers**

While OEM parts are widely available at Yamaha dealerships and authorized service centers, they may not be as easily accessible through third-party retailers or online marketplaces. This can be inconvenient if you need a replacement urgently.

3. **Less Variety in Heat Range and Design**

OEM plugs come in a fixed configuration designed for the CR9 s stock engine. If you later modify the bike (e.g., with a hotter exhaust or performance tune), you may need to switch to a different heat range (e.g., colder for better performance or hotter for reliability). Aftermarket brands offer a wider selection of heat ranges to accommodate modifications.

4. **Potential for Overkill for Stock Riders**

If you ride the CR9 primarily on the road without aggressive modifications, an OEM plug may be **overkill** in terms of durability. Some riders prefer aftermarket plugs with slightly different gap settings or materials for better performance or longevity in specific conditions.

5. **Slower Replacement Cycle (If Overused)**

While OEM plugs are durable, some riders prefer to replace them more frequently (e.g., every **5,000 8,000 miles**) to ensure optimal performance. This can lead to higher long-term costs if you stick strictly to the OEM recommendation without monitoring wear.

6. **No Customization Options**

Unlike aftermarket plugs, OEM parts do not offer customization in terms of electrode material (e.g., platinum, iridium, or double platinum) or gap adjustments. Riders who prioritize performance tuning may find this limiting.

7. **Dependence on Yamaha s Supply Chain**

If Yamaha experiences production delays or supply chain issues, OEM plugs may become temporarily unavailable. Aftermarket alternatives provide redundancy in such cases.

8. **Potential for Overengineering**

Some riders argue that OEM plugs are designed with a **safety margin**, meaning they may not be as "performance-focused" as aftermarket options. This could result in slightly less responsive ignition compared to plugs optimized for high-revving or modified engines.

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### **Conclusion**

The **Yamaha CR9-EIX00-00-00 spark plug** is an excellent choice for riders who prioritize **reliability, compatibility with the stock engine, and long-term durability**. It is the best option if you:

- Want to maintain the CR9 s factory-tuned performance.

- Ride in varied conditions without aggressive modifications.

- Prefer the convenience of a single, proven part.

- Are willing to pay a premium for OEM quality and warranty coverage.

However, if you are **budget-conscious, plan to modify the bike, or prefer aftermarket alternatives**, a high-quality aftermarket plug (e.g., **NGK CR8HS, Denso FP201, or Champion RC12YCC**) may offer better value without sacrificing performance. Aftermarket plugs also provide flexibility in heat ranges and electrode types, which can be beneficial for tuned engines.

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### **Recommendation**

- **For Stock or Lightly Modified CR9 Riders:** **Stick with the OEM CR9-EIX00-00-00 plug**. It ensures optimal performance, reliability, and compatibility with Yamaha s tuning. Replace it every **10,000 15,000 miles** or as recommended in the service manual.

- **For Modified or Performance-Oriented Riders:** Consider a **high-quality aftermarket plug** (e.g., **NGK CR8HS or Denso FP201**) if you plan to tune the engine or ride aggressively. These plugs often provide better performance and longevity at a lower cost.

- **For Budget Riders:** If cost is a concern, an aftermarket plug from a reputable brand (e.g., **Champion or Bosch**) can be a cost-effective alternative without significant performance trade-offs.

Ultimately, the best choice depends on your riding style, budget, and long-term plans for the CR9. For most stock riders, the OEM plug is the safest and most reliable option.

Details:

When purchasing this part you should look to the OEM brand and MPN that is referenced in listing title. This listing is based on part, price, and inventory data that provided directly from the OEM. Unfortunately all of the key information and image/ content that you find with aftermarket products does not exist for most Ems. Keep in mind that a part can be used several times over multiple year, make, model's.

part #: cr9eix000000 prices

  • $14.54-$16.64

specifications cyclesparkplugs:

  • for makes: Yamaha
  • mpn: Cr9-eix00-00-00
  • part type: Spark Plug
  • manufacturer warranty: No Warranty
  • mpn fits multiple applications: Each Oem Mpn Can Be Used On Multiple Ymm Combinations
  • what are you buying: You Are Buying The Individual Mpn Referenced In The Listing Title
  • genuine oem: Yes
  • activity: Scooter

seller cyclesparkplugs:

  • city: Nashville, Illinois
  • rating: 99.6%
  • # reviews: 3133

payments cyclesparkplugs:

  • other
  • credit card: Discover
  • wallet: Apple-pay

shipping cyclesparkplugs:

  • class: Standard
  • transit: 4-8 Days
  • service: Standard
  • cost: $8.95
  • type: Fixed

returns cyclesparkplugs:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

offer cyclesparkplugs:

  • sold: 0
  • started: February 26, 2026
  • options: Ship-to-home
  • availability: In Stock

general cyclesparkplugs:

  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs
  • condition: New
for makes: yamaha, part type: spark plug, manufacturer warranty: no warranty, mpn fits multiple applications: each oem mpn can be used on multiple ymm combinations, what are you buying: you are buying the individual mpn referenced in the listing title, genuine oem: yes, activity: scooter,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components > spark plugs, sku: 13996127883756632,
Yamaha CR9-EIX00-00-00 Is Similar To:
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2 offers $14.54–$16.64 USD
  • New. Offer #1 priced at $14.54 + $7.95 shipping estimate = $22.49* total. Our extensive micro fiche data ensures you can always find the correct part for your ride. Our OEM parts are your key to maintaining that high standard.+$7.95 shipping
  • New. Offer #2 priced at $16.64 + $0.00 shipping estimate = $16.64* total. Yamaha YZ250F 2010. Spark Plug Code : CR9E.FREE SHIPPING

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