HONDA 31916-ZY3-003 Outboard Spark Plug BF175 BF200 BF225

( Manufacturer Part Number: 31916-ZY3-003 ), ( Part Type: Spark Plug ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: H2 Jam-n Buk 2 Bin 1 )

Review HONDA Outboard Spark Plug fits 2007–2024

The **Honda 31916-ZY3-003 Spark Plug** is a precision-engineered, high-performance component designed exclusively for Honda BF175, BF200, and BF225 outboard motors manufactured between the model years **2007 and 2024**. This spark plug is a critical element in the reliable ignition system of these outboards, ensuring optimal combustion efficiency, smooth operation, and extended engine life. Crafted with Honda s signature attention to detail, this plug features a **resistor-type design**, which helps suppress radio frequency interference (RFI), reducing electromagnetic noise that could potentially disrupt nearby electronic devices. The **heat range of 6** strikes a perfect balance between durability and performance, allowing the plug to withstand the thermal demands of modern outboard engines while maintaining consistent firing under varying operating conditions whether cruising at steady speeds or under heavy loads during high-performance maneuvers.

Constructed from **high-quality nickel alloy**, the plug s electrode is precision-ground to a **0.64 mm gap**, a specification meticulously calibrated to maximize combustion efficiency and minimize fouling. The **copper core** within the center electrode ensures rapid heat dissipation, preventing pre-ignition and hot-spotting while maintaining a stable arc for reliable starts, even in wet or humid conditions. The **ceramic insulator** is engineered to resist thermal shock and corrosion, safeguarding the plug against the harsh marine environment where saltwater, moisture, and debris can accelerate wear. The **resistant-type design** not only mitigates interference with marine electronics but also contributes to a cleaner, more stable ignition pulse, reducing misfires and enhancing overall engine responsiveness.

For marine enthusiasts who demand **uncompromising performance and longevity** from their Honda outboards, this spark plug is an essential upgrade or replacement part. Its compatibility with a wide range of BF-series engines from the compact yet powerful BF175 to the more robust BF225 makes it a versatile choice for anglers, boaters, and recreational users alike. When installed as part of a routine maintenance schedule or as part of a performance tune-up, this plug helps preserve the engine s efficiency, reduces fuel consumption, and minimizes exhaust emissions, aligning with both environmental standards and the manufacturer s commitment to clean, reliable power. Whether used in a leisurely weekend fishing trip or high-speed watersports, the **Honda 31916-ZY3-003 Spark Plug** delivers the precision and reliability that Honda outboards are renowned for, ensuring that every ignition cycle is as dependable as the first.

### **Pros and Cons of buying a Honda 31916-ZY3-003 Spark Plug (2007 2024 BF175, BF200, BF225 Outboards)**

1. **OEM Compatibility** This is a genuine Honda replacement part, ensuring a perfect fit and reliable performance. Honda outboards are known for durability, and using the correct OEM part maintains engine integrity.

2. **Reliability and Performance** Honda s spark plugs are engineered to meet strict quality standards, reducing misfires, improving fuel efficiency, and extending engine life when properly maintained.

3. **Long Service Life** The 31916-ZY3-003 plug is designed for extended use (typically 100 200 hours or more, depending on operating conditions), reducing the need for frequent replacements.

4. **Easy Installation** Honda spark plugs are straightforward to install, requiring only basic tools. The part number ensures compatibility with the BF175, BF200, and BF225 engines from 2007 2024.

5. **Warranty Coverage** Purchasing from an authorized Honda dealer or reputable retailer often includes a warranty, providing peace of mind against defects.

6. **Prevents Engine Damage** A faulty spark plug can lead to misfires, carbon buildup, or even catastrophic engine failure. Replacing it proactively avoids costly repairs.

7. **Fuel Efficiency** A properly functioning spark plug ensures optimal combustion, which can slightly improve fuel economy over time.

8. **Environmental Benefits** Proper spark plug maintenance reduces emissions by ensuring complete fuel combustion, which is beneficial for both performance and environmental compliance.

---

1. **Cost** Honda OEM parts are more expensive than aftermarket alternatives. While they offer reliability, the upfront cost may be higher than generic or third-party spark plugs.

2. **Limited Availability Outside Dealers** Unlike some aftermarket parts, genuine Honda spark plugs may not be as widely stocked at non-specialized marine supply stores, requiring purchase from dealers or online retailers.

3. **Potential Overkill for High-Mileage Engines** If the engine is heavily worn or has other issues (e.g., fuel system problems), replacing just the spark plug may not fully resolve performance issues. A full service might be needed.

4. **Maintenance Requirement** Spark plugs still require periodic inspection and replacement (even OEM parts degrade over time). Neglecting this can lead to engine problems.

5. **Installation Skill Dependency** While simple, improper installation (e.g., incorrect gap, overtightening) can damage the plug or engine threads. Those unfamiliar with spark plug replacement may need professional help.

6. **No Significant Performance Boost** Unlike some aftermarket high-performance plugs, the 31916-ZY3-003 is designed for reliability, not aggressive power gains. Expect consistent operation rather than a noticeable performance upgrade.

7. **Environmental and Ethical Concerns (Indirectly)** If purchasing from a non-sustainable source (e.g., counterfeit parts), quality and safety may be compromised. Always buy from trusted sellers.

---

### **Conclusion**

The **Honda 31916-ZY3-003 spark plug** is a **high-quality, reliable choice** for maintaining or restoring optimal performance in BF175, BF200, and BF225 outboards from 2007 2024. Its OEM status ensures compatibility, durability, and peace of mind, making it ideal for boat owners who prioritize long-term engine health and Honda s reputation for dependability.

However, the **higher cost** and **limited availability** compared to aftermarket options may deter budget-conscious buyers. If the engine is older or has other issues, replacing just the spark plug may not be sufficient comprehensive maintenance should be considered.

For most users, **the benefits outweigh the drawbacks**, especially when compared to cheaper, lower-quality alternatives that could risk engine damage. If you value **reliability, longevity, and Honda s engineering standards**, this is the best choice.

- **Buy from an authorized Honda dealer or a reputable marine parts retailer** to ensure authenticity and warranty coverage.

- **Replace the spark plug as part of routine maintenance** (every 100 200 hours or as recommended in the owner s manual).

- **Check the spark plug gap** (typically 0.024 0.028 inches) before installation to ensure proper performance.

- **Consider aftermarket options only if cost is a major concern**, but be cautious of quality variations brands like NGK or Champion (with correct part numbers) can be viable alternatives.

- **Combine this replacement with other maintenance tasks** (e.g., fuel system cleaning, air filter check) for optimal engine health.

**Final Verdict:** **Purchase the Honda 31916-ZY3-003 spark plug** if you want the best balance of reliability, performance, and longevity for your BF-series outboard. It s a small investment that pays off in reduced downtime and extended engine life.

Details:

Are these genuine OEM parts?, Yes. FREE shipping on every order to the lower 48 states. This new OEM Honda spark plug NGK IZFR6K-13 equivalent is specifically for 175-225HP outboard model's.

Please verify the part number and compatible model's before purchasing. We review all reasonable offers promptly. We started with a single motorcycle dismantled in home garage. Item must be in original, uninstalled condition with no modifications.

Ensures reliable starting and smooth engine operation. Residential delivery with lift gate is available. Larger items from $46.99. Look for the Make Offer button on listing page.

Spotlight: A Day Inside . Do you combine shipping?, Yes. Every part is one-of-a-kind. 4.8 out of 5 stars across 322 reviews.

Do you accept offers?, Some listings offers.

part #: 31916zy3003 prices

• $24.99-$85.77

specifications ouboaen:

• for makes: Honda
• for years: 2007-2024
• mpn: 31916-zy3-003
• part type: Spark Plug
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: H2 Jam-n Buk 2 Bin 1

payments ouboaen:

• credit card: Diners-club
• other
• wallet: Google-pay

seller ouboaen:

• rating: 99.4%
• city: Odessa, Florida
• # reviews: 220728

returns ouboaen:

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

offer ouboaen:

• availability: In Stock
• options: Ship-to-home
• started: April 7, 2026
• sold: 0

general ouboaen:

• Boat Parts > Outboard Engines Components > Ignition Starting Systems
• condition: New other see details

shipping ouboaen:

• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• type: Fixed
• carrier: USPS, FedEx
• cost: $0.00
• transit: 3-9 Days
• class: Standard, Expedited, One-day

Honda 31916-ZY3-003 Is Similar To:

• 06168-zy1-307 Honda Mercury Outboard Electric Circuit Breakers (29.5% similar) Products might fit other makes and model's, please research before assuming. Thanks in advance. Have up for sale good quality tested parts that a satisfactory guarantee. These products have been used and will average wear look feel to them...(April 9th, 2018)
• 06193-zv7-020 Honda Outboard Water Pump (37.7% similar) Honda water pump kit new inside box ZV7-020...(February 28th, 2018)
• 06193-zw1-305 Honda Marine Aw At Outboard Water Pump Rebuild Kit Part (33.8% similar) ...(March 30th, 2018)
• 06193-zw9-a32 Honda Genuine Outboard Water Pump Rebuild Kit 780848341328 (30.2% similar) Correspondence via messaging is preferred. 9D, BF15D 20D extra long XL ZW9-A32 looking for something else. Items will only be accepted for return in their original condition, with absolutely no accessories missing...(August 16th, 2018)
• 06380-zy3-000 Honda Outboard Motor Parts (43% similar) Honda main power relay ZY3-000...(December 9th, 2018)
• 06383-zv5-315 Honda Outboard Set Resistor Assy (30.1% similar) Up for bid is a brand new honda oem ZV5-315 set resistor assay...(August 20th, 2018)
• 06631 Zy3-305za Honda New Top Cover And Later Hp Outboard Motor (32.3% similar) Condition: new part. May fit more engines. Only opened to take pictures. This part fits various year ranges of honda outboard motors. Please see included pictures. Part: new ZY3-305ZA top cover 2002 and later BF200 BF225 hp fits various honda outboard motor parts...(September 19th, 2018)
• 08200-9011 Honda Marine Outboard Gear Case Oil Pump Quart Bottles (31.8% similar) This is an original honda part. Brand new in packaging honda marine outboard gear case oil pump for quart bottles...(March 25th, 2018)
• 11212 Honda Outboard Fuel Connector 745419123598 (27.8% similar) Honda outboard fuel connector tank end ZW9-003 new take offs have different no but are all fit the same hp...(February 4th, 2018)
• 12000-zw1-l00za Honda Bf Stroke Outboard Crankcase Block (37.4% similar) There is some scoring on the bottom cylinder but otherwise in good condition...(September 6th, 2018)
• 12011-zw5-020za Honda Outboard Bf130a 130hp (30.9% similar) Note: please see pictures for details. Please verify this part will work for your application. What you see in the picture is will receive. This is a honda short block manufacturer: manufacturer part number: 12011-ZW5-020ZA item was removed from 2001 bf 130HP outboard engine should fit various, 4 ...(January 25th, 2018)