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Honda CB400 VTEC CB-1 CBR250 CBR400 NSR250 Voltage Regulator Rectifier
Honda CB400 VTEC CB-1 CBR250 CBR400 NSR250 Voltage Regulator Rectifier
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Product Overview
Restore stable charging performance with this voltage regulator rectifier, designed for selected Honda CB400 VTEC, CB-1, CBR250, CBR400, and NSR250 applications.
This replacement unit helps support stable voltage regulation, improve charging capability, and protect the battery from overcharging.Constructed for dependable aftermarket replacement use, this regulator rectifier is intended to provide stable output, reliable charging performance, and long service life.
Product Compatibility
| Brand | Model | Engine / HP / CC | Year Range | Notes |
|---|---|---|---|---|
| Honda | CB400 Super Four / CB400 VTEC | 400cc | Please verify | Match by connector style and original part before purchase |
| Honda | CB-1 | 400cc | Please verify | Match by connector style and original part before purchase |
| Honda | CBR250 / CBR250RR | 250cc | Please verify | Match by connector style and original part before purchase |
| Honda | CBR400 / CBR400RR | 400cc | Please verify | Match by connector style and original part before purchase |
| Honda | NSR250 | 250cc | Please verify | Match by connector style and original part before purchase |
Specifications
| Specification | Details |
|---|---|
| Part Type | Voltage Regulator Rectifier |
| Voltage | 12V |
| Plug Style | Please match with original part before ordering |
| Bracket Center to Center | 60 mm |
| Thickness | 21 mm |
| Height | 81 mm |
| Weight | 110 g |
| Fitment Method | Match by connector style and original part layout |
| Condition | 100% New Aftermarket |
Key Features
- Stable Voltage Regulation – Helps maintain dependable charging-system output
- Improved Charging Capability – Supports battery charging and electrical-system stability
- Direct Replacement Design – Intended for plug-and-play installation on correctly matched applications
- Heat-Sink Style Housing – Helps improve cooling during regular operation
- Durable Construction – Built for reliable long-term replacement use
Common Problems This Part Can Help Solve
This product may help address issues such as:
- Battery not charging
- Overcharging or unstable voltage
- Dim or flickering lights
- Weak electrical output
- Intermittent charging failure
- Regulator overheating or voltage-control issues
Package Includes
1 × Voltage Regulator Rectifier
Fitment Note
Please confirm your connector style, mounting layout, and original part appearance before ordering.
If you are unsure about compatibility, contact us with your model, year, and part photos before purchase.
Installation Note
Professional installation is recommended.
Before installation, inspect related components such as the battery, stator, wiring harness, connectors, and charging system to avoid repeat failure caused by another faulty part.
Why Choose This Replacement
A failing regulator rectifier can lead to poor charging performance, unstable voltage, dim lighting, and unreliable electrical operation. Replacing it with a properly matched unit helps restore dependable charging-system performance and keeps your motorcycle ready for daily riding.
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Fitment FAQ
Will this part fit my specific model and year?
This voltage regulator rectifier is intended for Engine / HP / CC. Key physical/spec details from the product data include Voltage: 12V, Thickness: 21 mm, Height: 81 mm. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this voltage regulator rectifier, also compare the OEM number, plug shape, pin count, mounting-hole distance, heat-sink style, and AC/DC charging-system type. This is especially important for Honda CB400/CBR250/CBR400/NSR250 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this voltage regulator rectifier for machines outside the listed compatibility, or for units with different pin counts, plug shapes, AC/DC system types, or mounting-hole spacing. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, plug shape, pin count, mounting-hole distance, heat-sink style, and AC/DC charging-system type. Recheck listed specs such as Voltage: 12V, Thickness: 21 mm, Height: 81 mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.