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Yamaha YZF-R1 YZF-R6 YZF600R FZR600 Regulator Rectifier | 4JH-81960-01-00
Yamaha YZF-R1 YZF-R6 YZF600R FZR600 Regulator Rectifier | 4JH-81960-01-00
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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.
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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. Listed year information includes 1998–2001, 1999–2005, 2006–2009, 1997–2007, 1995–2007. It is best matched to original part number(s) 4JH-81960-01-00, 4JH-81960-00-00. Key physical/spec details from the product data include Voltage System: 12V, 5-pin plug / please match with original part, Installation Hole Spacing: 69 mm / 2.71". Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 4JH-81960-01-00, 4JH-81960-00-00 before purchase. 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 Yamaha YZF600R/FZR600 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. If your original part number does not cross-reference with 4JH-81960-01-00, 4JH-81960-00-00, treat the fitment as unconfirmed. Model years outside 1998–2001, 1999–2005, 2006–2009, 1997–2007, 1995–2007 should be verified separately. 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. Confirm OEM/cross-reference number(s): 4JH-81960-01-00, 4JH-81960-00-00. Recheck listed specs such as Voltage System: 12V, 5-pin plug / please match with original part, Installation Hole Spacing: 69 mm / 2.71". If any connector, mounting point, size, or year detail is different, confirm fitment before installation.