HONDA Voltage Regulator for Nighthawk 750 ST1100 CBR1000F CB750
- Brand: Mortch Motor
- Product Code: MIREG-HONDAST1100
- Product Viewed: 453
- Availability: In Stock
- Weight: 0.15kg
- Packing Size: 9.00 x 9.00 x 3.00cm
US$20.16 10 SOLD
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🔧 Honda Motorcycle Regulator/Rectifier
📦 Part Number: 31600-MS2-601
⚙️ Voltage Regulator · Rectifier · OEM Specification
📍 Installation Position: Electrical System / Rectifier Mount
✅ Regulator & Rectifier Combo · Good Heat Dissipation · Direct Replacement · Fits Specified Honda Models
This product is a Honda motorcycle-specific regulator/rectifier, part number 31600-MS2-601. This regulator is a core component of the motorcycle charging system, converting AC power from the alternator to DC power for battery charging, while regulating voltage to protect the vehicle's electrical equipment from overvoltage damage. Fits Honda Nighthawk 750, ST1100, CBR1000F, CB750, and other models.
Over time, the regulator may experience internal component aging, burnout, or poor heat dissipation, leading to charging system failure, battery discharge, dim lights, or electrical equipment damage. Timely replacement of a damaged regulator is critical to ensuring proper charging system operation.
✅ Quality Assurance: Manufactured strictly to original technical standards. Electrical parameters and mounting dimensions are fully consistent with original parts, ensuring perfect replacement and reliable voltage regulation.
- Honda Nighthawk 750
- Honda ST1100
- Honda CBR1000F
- Honda CB750
📌 Fitment Note: This regulator is suitable for the Honda models listed above. Part number 31600-MS2-601. Please verify your original part number matches before purchasing.
- ✅ OEM Specification: Manufactured strictly to original technical standards. Electrical parameters match original parts completely.
- 🛡️ Regulator & Rectifier Combo: Integrated design combining rectification and voltage regulation for compact, reliable performance.
- 🔧 Good Heat Dissipation: Aluminum housing design for effective heat dissipation and extended service life.
- 💪 Overvoltage Protection: Built-in overvoltage protection circuit protects battery and electrical equipment.
- 🔄 Direct Replacement: Directly replaces damaged original regulators.
• Frequent battery discharge, unable to charge properly.
• Dim or flickering headlight.
• Charging indicator light stays on abnormally.
• Regulator housing is excessively hot, deformed, or has a burning smell.
• Multimeter readings show abnormal charging voltage (too high or too low).
If you experience any of these symptoms, please inspect and replace the regulator promptly.
1. Disconnect the negative battery cable before installation to prevent short circuits.
2. Remove the old regulator, noting wire connection positions and color markings.
3. Clean the mounting area to ensure good heat sink contact.
4. Apply thermal paste to the back of the new regulator (if needed).
5. Connect the wiring harness according to the original wiring diagram, ensuring secure connections.
6. Reconnect the battery, start the engine, and check the charging voltage.
Professional installation by a qualified technician is recommended.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.



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