Honda CB400 VTEC CB-1 CBR250 CBR400 NSR250 Voltage Regulator Rectifier

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.