Yamaha YZF-R1 YZF-R6 YZF600R FZR600 Regulator Rectifier | 4JH-81960-01-00

Product Overview

Restore stable charging performance with this voltage regulator rectifier, designed for selected Yamaha YZF-R1, YZF-R6, YZF600R, FZR600, and related Yamaha applications.

Built to replace 4JH-81960-01-00 / 4JH-81960-00-00, 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 durable replacement-grade materials, this regulator rectifier helps dissipate excess voltage, improve charging capability, and reduce the risk of battery overcharging. It is designed for direct replacement when the connector, mounting-hole spacing, and original part layout match.

Product Compatibility

Brand	Model	Engine / HP / CC	Year Range	Notes
Yamaha	YZF-R1	1000cc	1998–2001	Verify OEM number and connector style before purchase
Yamaha	YZF-R6	600cc	1999–2005	Verify OEM number and connector style before purchase
Yamaha	YZF-R6S	600cc	2006–2009	Verify OEM number and connector style before purchase
Yamaha	YZF600R / Thundercat	600cc	1997–2007	Verify OEM number and connector style before purchase
Yamaha	FZR600 / FZR600R	600cc	1995–2007	Verify OEM number and connector style before purchase
Yamaha	SRX700 / SX600R / SX700R	600–700cc	Please verify	Snowmobile applications; verify original part before purchase
Yamaha	VMAX 600 / VMAX 700	600–700cc	Please verify	Snowmobile applications; verify original part before purchase

OEM Cross Reference:
4JH-81960-01-00, 4JH-81960-00-00

Specifications

Specification	Details
Part Type	Voltage Regulator Rectifier
OEM Replacement	4JH-81960-01-00 / 4JH-81960-00-00
Voltage System	12V
Connector Type	5-pin plug / please match with original part
Installation Hole Spacing	69 mm / 2.71"
Installation Hole Diameter	6 mm / 0.23"
Fitment Method	Match by OEM number, connector style, mounting dimensions, and original part layout
Function	Voltage regulation and rectification
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
• Direct Replacement Design – Designed for easy installation when the connector and mounting layout match
• Durable Construction – Made from high-quality replacement materials for long service life
• Wide Yamaha Application Range – Suitable for selected Yamaha sportbike and snowmobile applications using the same regulator family

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-hole spacing, mounting-hole diameter, and original part appearance before ordering.

This listing is intended for selected Yamaha applications using the 4JH-81960-01-00 / 4JH-81960-00-00 regulator rectifier family. Compatibility may vary by model year, trim, and market version, so matching by OEM number + connector style + mounting dimensions + original part layout is strongly recommended before purchase.

If you are unsure about compatibility, contact us with your model, year, OEM number, 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 Yamaha ready for regular riding.