Honda NXR150 Bros Voltage Regulator Rectifier | Replaces 31600-KSS-B31

Product Overview

Restore stable charging performance with this voltage regulator rectifier, designed for selected Honda NXR150 Bros KS, ES, and ESD applications.

Built to replace 31600-KSS-B31 / 31600-KRE-E31, this unit helps solve common charging-system issues such as battery not charging, unstable voltage, dim or flickering lights, weak electrical output, and intermittent charging failure.

Made with reliable replacement-grade materials, this regulator rectifier helps dissipate excess voltage, improve charging capability, and reduce the risk of battery overcharging. It is designed for straightforward replacement on correctly matched applications.

Product Compatibility

Brand	Model	Engine / HP / CC	Year Range	Notes
Honda	NXR150KS Bros	150cc	2009–2012	Verify connector style and original part before purchase
Honda	NXR150ES Bros	150cc	2010–2014	Verify connector style and original part before purchase
Honda	NXR150ESD Bros	150cc	2010–2015	Verify connector style and original part before purchase

OEM Cross Reference:
31600-KSS-B31, 31600-KRE-E31

Specifications

Specification	Details
Part Type	Voltage Regulator Rectifier
Connector Type	6 Pin
Fitment Method	Match by OEM number, connector style, and original part layout
Function	Voltage regulation and rectification
Material	High-quality replacement construction
Installation	Direct replacement on correctly matched applications
Condition	100% New Aftermarket

Key Features

• Stable Voltage Regulation – Helps maintain reliable battery charging and electrical-system output
• Overcharge Protection – Helps dissipate excess voltage and reduce the risk of battery damage
• Improved Charging Capability – Supports stable current flow for daily riding use
• Direct Replacement Design – Designed for easy installation when the connector matches the original unit
• Durable Construction – Built for stable performance and long service life

Common Problems This Part Can Help Solve

This product may help address issues such as:

• Battery not charging
• Battery overcharging
• Dim or flickering lights
• Unstable charging voltage
• Weak electrical output
• Intermittent charging failure
• Regulator overheating or voltage-control issues

Package Includes

1 × Voltage Regulator Rectifier

Fitment Note

Please confirm your OEM part number, connector style, mounting layout, and original part appearance before ordering.

If you are unsure about compatibility, contact us with your model, year, connector photos, and original 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, battery problems, and unreliable electrical operation. Replacing it with a properly matched unit helps restore dependable charging-system performance and keeps your Honda NXR150 Bros ready for daily riding.