STEVENS LAKE PARTS PRZ9HC Spark Plug 98056-57716

( Brand: Stevens Lake Parts ), ( Manufacturer Part Number: PRZ9HC ), ( Type: Electrical ), ( Compatible Equipment Make: For Aftermarket ), ( Part Type: Spark Plug ), ( Reference Number S : 01 )

Review STEVENS LAKE PARTS Spark Plug Honda fits CRF100F CRF80F XR80R XR100R

The **Stevens PRZ9HC Spark Plug (Part Number: 98056-57716)** is a high-performance, precision-engineered ignition component meticulously designed to deliver optimal combustion efficiency and reliable starting performance across a range of Honda off-road motorcycles, including the iconic **CRF100F, CRF80F, XR80R, and XR100R** models. Crafted with a **resistor-type construction**, this spark plug features a **fine-wire electrode** that ensures consistent, high-energy spark generation, even under demanding riding conditions, such as cold starts, high-altitude operation, or aggressive throttle inputs. The **heat range of 9HC** strikes a perfect balance between durability and performance, preventing fouling in high-compression engines while maintaining sufficient heat rejection to avoid carbon buildup in less aggressive applications. Engineered with a **14mm threaded shell** and a **standard reach of 19mm**, this plug is engineered to fit seamlessly into Honda s stock ignition system, providing a drop-in replacement that preserves factory alignment without compromising performance. Its **copper core electrode** enhances conductivity, reducing resistance and ensuring a stronger, more reliable spark, which translates to smoother acceleration, improved throttle response, and enhanced fuel efficiency. Whether you're tackling rough trails, cruising on backroads, or preparing your bike for a season of off-road adventures, the **Stevens PRZ9HC** delivers the precision and dependability required to keep your **Honda CRF or XR series** running at its peak. Built to withstand the rigors of frequent use and varying environmental conditions, this spark plug is an excellent choice for riders who demand both reliability and performance from their ignition system.

**Pros and Cons of buying a Stevens PRZ9HC Spark Plug (Part Number 98056-57716) for Honda CRF100F/CRF80F/XR80R/XR100R**

### **Pros**

1. **OEM Compatibility** This is a direct replacement for the original Honda spark plug in the listed models, ensuring a perfect fit without modifications. It maintains the engine s factory specifications, which can help preserve performance and reliability.

2. **High-Quality Construction** Stevens is a reputable brand known for durable spark plugs with reliable performance. The PRZ9HC model features a platinum-tipped electrode, which offers longer lifespan and consistent ignition compared to standard iridium or copper plugs.

3. **Improved Ignition Reliability** Platinum electrodes resist fouling and corrosion better than traditional copper or nickel-plated plugs, reducing the risk of misfires, especially in wet or dusty conditions. This is particularly useful for off-road or adventure bikes where the engine may operate under less-than-ideal conditions.

4. **Longer Service Life** Platinum plugs typically last longer than standard iridium or copper plugs, often requiring replacement every 20,000 30,000 miles (or as recommended by the manufacturer). This reduces maintenance frequency and downtime.

5. **Consistent Performance** Since it matches the original equipment specifications, the plug helps maintain the engine s power output, throttle response, and fuel efficiency without requiring tuning adjustments.

6. **Wider Availability** As an OEM or aftermarket part widely used in Honda small-displacement bikes, it is easy to find in auto parts stores, online retailers, or through mail-order suppliers.

7. **Cost-Effective Upgrade** While slightly more expensive than basic copper plugs, the PRZ9HC offers better longevity and performance, making it a cost-effective choice over the long term.

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### **Cons**

1. **Higher Upfront Cost** Compared to standard copper or nickel-plated plugs, platinum plugs are more expensive. However, this is offset by their extended lifespan.

2. **Potential Overkill for Light Use** If the bike is rarely used (e.g., stored for long periods or ridden only occasionally), the extra durability of a platinum plug may not be necessary, and a slightly cheaper alternative could suffice.

3. **Requires Proper Installation** Like any spark plug, improper installation (e.g., overtightening or cross-threading) can damage the plug or the cylinder head. Ensuring correct torque specifications is important.

4. **Limited Performance Gain** Unlike high-performance or cold-air intake upgrades, this plug does not significantly increase power or torque. It primarily improves reliability and longevity rather than performance.

5. **Compatibility with Modifications** If the engine has been modified (e.g., with a bigger carburetor, exhaust, or ECU tuning), the stock plug may not be optimal. In such cases, a performance-oriented plug (e.g., NGK or Champion cold-reach plugs) might be better suited.

6. **Platinum Sensitivity to Contaminants** While platinum resists fouling better than copper, it can still be affected by oil dilution, fuel contaminants, or excessive leaded fuel (though leaded fuel is rare in modern bikes). Regular maintenance (e.g., air filter checks) helps mitigate this.

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### **Conclusion**

The Stevens PRZ9HC spark plug is an excellent choice for Honda CRF100F/CRF80F/XR80R/XR100R owners who prioritize reliability, longevity, and OEM compatibility. Its platinum electrode ensures consistent ignition, reduced fouling, and a longer service life compared to standard plugs. For most riders, especially those who use their bikes regularly or in varied conditions, this plug offers a worthwhile upgrade without sacrificing performance.

However, if the bike is used infrequently or stored for long periods, a slightly less expensive plug might be sufficient. Additionally, riders with modified engines should consider performance-oriented alternatives. Overall, the Stevens PRZ9HC is a safe, high-quality replacement that aligns well with the stock specifications of these Honda models.

### **Recommendation**

- You want a direct OEM replacement with improved reliability.

- You ride your bike regularly and want to extend the interval between plug replacements.

- You operate in dusty, wet, or challenging conditions where misfires are a concern.

- You prefer a platinum plug for its balance of durability and performance.

- Your bike is rarely used or stored for long periods (a standard iridium or copper plug may suffice).

- You have modified the engine and need a plug optimized for higher performance (e.g., colder reach or different heat range).

- You are on a tight budget and can find a comparable plug at a lower cost (though quality may vary).

For most CRF100F/CRF80F/XR80R/XR100R owners, the Stevens PRZ9HC is a reliable and practical choice that justifies its cost with long-term benefits.

Details:

PLEASE SAVE ALL ORIGINAL PACKAGING.!, Refer to for more details. Normally same day if before 1PM EST. Many things can play a factor such as Location, Weather, and the items in order.

specifications cyclesparkplugs:

• for models: Crf100f, Crf80f, Xr80r, Xr100r
• for makes: Honda
• brand: Stevens Lake Parts
• mpn: Prz9hc
• type: Electrical
• compatible equipment make: For Aftermarket
• part type: Spark Plug
• reference number s : 01

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• city: Lansing, Michigan
• rating: 99.3%
• # reviews: 147670

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• time: 30 Days
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general cyclesparkplugs:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs
• condition: New

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offer cyclesparkplugs:

• sold: 0
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• quantity: 4
• best offers: True
• started: March 11, 2026
• availability: In Stock

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