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  3. HONDA 30410-MW3-671

HONDA 30410-MW3-671 Night Hawk Ignition Control Module Ecu Ecm

fits model: Cb750. make: Honda. year: 1991–2003.

30410-mw3-671 Honda 91-03 Night Hawk Cb750 Ignition Control Module Ecu Ecm

( Manufacturer Part Number: 30410-MW3-671 ), ( Part Type: Ignition Control Ecm Module Ecu ), ( Manufacturer Warranty: 1 Month ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review HONDA Night Hawk Ignition Control Module Ecu Ecm fits CB750 1991–2003

The **Honda 30410-MW3-671 Ignition Control Module (ECU/ECM)** for the **1991 2003 CB750 Night Hawk** is a precision-engineered component designed to regulate the ignition system with unmatched reliability and performance. This high-quality, direct-fit replacement module is meticulously crafted to replicate the original factory specifications, ensuring seamless integration with the bike s electrical and ignition circuitry. Built to withstand the demands of daily riding, this module features robust internal circuitry that optimizes spark timing, fuel efficiency, and overall engine responsiveness, allowing the CB750 s liquid-cooled, inline-four cylinder engine to operate at peak performance. Whether you're cruising on open highways or navigating city streets, this ignition control module maintains consistent ignition timing, reducing misfires and enhancing throttle response. Its durable construction, often featuring high-grade resistors, capacitors, and solid-state components, ensures long-term durability, minimizing the risk of electrical failures or premature wear. Perfect for restorers, mechanics, and enthusiasts seeking a dependable upgrade or replacement, this module is a critical component for maintaining the Night Hawk s legendary reliability and power delivery. With its straightforward installation and compatibility with the CB750 s wiring harness, it serves as an essential part of any maintenance or upgrade project, guaranteeing smooth operation and longevity for your classic Honda.

### **Pros and Cons of buying a Honda 30410-MW3-671 (91-03 Night Hawk/CB750 Ignition Control Module/ECU/ECM)**

#### **Pros:**

1. **Compatibility** This part is specifically designed for the **Honda Night Hawk (1991-2003)** and **CB750 (1991-2003)** models, ensuring a direct fit without modification. It eliminates the need for aftermarket adapters or custom wiring.

2. **Reliability** Honda s ignition control modules are known for durability, especially in older models where stock components may degrade over time. A genuine or high-quality aftermarket replacement can restore proper ignition timing and prevent misfires.

3. **Performance Stability** A faulty ignition module can cause rough idling, stalling, or poor acceleration. Replacing it with a known-good unit can improve engine responsiveness and overall ride quality.

4. **Prevents Further Damage** Ignoring ignition issues can lead to more expensive problems, such as damaged spark plugs, coils, or even the catalytic converter. Replacing the module early can save money in the long run.

5. **Ease of Installation** The module is typically located near the ignition coil or ECU and is designed for straightforward replacement. Many mechanics and DIYers can install it without specialized tools.

6. **OEM Quality (if genuine)** If purchasing a **Honda OEM part**, it will match the original specifications in terms of performance and longevity. Aftermarket options may vary in quality, so research is recommended.

7. **Warranty Coverage** Some sellers offer warranties or return policies, providing peace of mind in case of defects.

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#### **Cons:**

1. **Cost** Genuine Honda parts can be expensive, especially if purchased directly from Honda or authorized dealers. Aftermarket alternatives may be cheaper but could lack long-term reliability.

2. **Availability & Lead Times** Depending on the seller, stock may be limited, leading to delays in receiving the part. Some online retailers may have inconsistent inventory.

3. **Potential Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving a **fake or low-quality replica**, which may fail prematurely or not function correctly.

4. **Additional Diagnostics Needed** If the issue is not solely the ignition module (e.g., faulty wiring, sensors, or fuel system problems), replacing just the module may not fully resolve the problem. A diagnostic scan is advisable before purchase.

5. **Skill Level Required** While installation is relatively simple, some riders may lack the confidence or tools to replace it themselves, requiring a mechanic s help (adding labor costs).

6. **Mixed Reviews on Aftermarket Brands** Some aftermarket ignition modules may work fine, while others report premature failure or inconsistent performance. Researching specific brands (e.g., **Mikuni, Denso, or Honda-compatible aftermarket**) is essential.

7. **Potential for Overkill** If the bike has other failing components (e.g., spark plugs, coils, or sensors), addressing just the ignition module may not provide a complete fix. A full diagnostic check is recommended.

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### **Conclusion:**

Buying the **Honda 30410-MW3-671 ignition control module** (or a high-quality aftermarket equivalent) is a **wise investment** if you suspect ignition-related issues in your **1991-2003 Night Hawk or CB750**. It restores proper engine function, prevents further damage, and is a relatively straightforward repair. However, **cost, availability, and part authenticity** are key considerations.

If you re on a tight budget, **aftermarket options from reputable brands** (e.g., **Mikuni, Denso, or Honda-compatible ECUs**) can be a cost-effective alternative. Always **verify the seller s reputation** and consider **extended warranties** if available.

For best results:

- **Get a diagnostic scan** to confirm the ignition module is the root cause.

- **Compare prices** from multiple sellers (eBay, RockAuto, local bike shops).

- **Check reviews** on the specific part number to avoid fakes.

- **Consider professional installation** if unsure about DIY.

### **Final Recommendation:**

**Proceed with purchase** if you ve confirmed the ignition module is faulty and have a trusted source. For long-term reliability, **prioritize OEM or high-quality aftermarket parts**. If unsure, consult a **Honda specialist** to ensure compatibility and proper installation. Avoid cheap, unbranded alternatives unless thoroughly researched.

Details:

Part brand: Genuine Honda part. Condition notes: Ready to install. See all pics-you get this exact item. Mounted/tested fine.

Good condition. Donor machine: 1992 Night Hawk CB750 with 22,000 miles. You can expect your calls, texts and messages to be answered within our open hours.

part #: 30410mw3671 prices

  • $105.00-$180.93

specifications cycleswitches:

  • for models: Cb750
  • for makes: Honda
  • for years: 1991-2003
  • mpn: 30410-mw3-671
  • part type: Ignition Control Ecm Module Ecu
  • manufacturer warranty: 1 Month
  • universal fitment: No
  • country of origin: Japan

offer cycleswitches:

  • options: Ship-to-home
  • sold: 0
  • started: April 7, 2026
  • quantity: 1
  • availability: In Stock

returns cycleswitches:

  • policy: No Returns

seller cycleswitches:

  • # reviews: 35685
  • rating: 99.9%
  • city: Union, Missouri

shipping cycleswitches:

  • cost: $7.49
  • transit: 3-7 Days
  • class: Standard, Expedited
  • service: USPS Ground Advantage, USPS Priority Mail
  • type: Fixed
  • carrier: USPS

payments cycleswitches:

  • other
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  • credit card: Mastercard
  • wallet: Google-pay

general cycleswitches:

  • condition: Used
  • Electrical Ignition Components > Electrical Ignition Sensors Switches > Ignition Key Switches
for models: cb750, for makes: honda, for years: 1991-2003, part type: ignition control ecm module ecu, manufacturer warranty: 1 month, universal fitment: no, country of origin: japan,
category: auto parts > electrical ignition components > electrical ignition sensors switches > ignition key switches, sku: 13067803389391602,
Honda 30410-MW3-671 Is Similar To:
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5 offers $105.00–$180.93 USD
  • Used. Offer #1 priced at $105.00 + $21.18 shipping estimate = $126.18* total. This part may fit other years and models.+$21.18 shipping
  • Used. Offer #2 priced at $180.93 + $0.00 shipping estimate = $180.93* total. 91-03 CB750 Nighthawk. Fits 1991-2003 Honda CB750 Nighthawk (CB750SC).FREE SHIPPING
  • Used. Offer #3 priced at $124.99 + $19.99 shipping estimate = $144.98* total. 1991-2003 CB750SC Nighthawk Part: CDI(#116B) (OEM).+$19.99 shipping
  • Used. Offer #4 priced at $175.00 + $0.00 shipping estimate = $175.00* total. 91-03 Honda CB 750 Nighthawk.FREE SHIPPING
  • Used. Offer #5 priced at $150.00 + $0.00 shipping estimate = $150.00* total. Thx for looking. 1993 Honda CB 750 Nighthawk CDI Ignition Control Box 1991-2003.FREE SHIPPING

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