Regulator Rectifier for Yamaha Royal Star 1300 1993-2001
Regulator Rectifier for Yamaha Royal Star 1300 1993-2001
SKU:RM30406
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Voltage Regulator Rectifier RM30406 for Yamaha Royal Star 1300, TDM 850 and XV 250 Virago
Yamaha Royal Star 1300 / TDM 850 / XV 250 Virago - 1993 to 2001
Part RM30406 is a brand new voltage regulator rectifier built as a direct replacement for the original unit fitted to the Yamaha Royal Star 1300, TDM 850 and XV 250 Virago. It is a plug-and-play, direct fit component that requires no assembly and no modification to the loom - the original mounting points and connectors are retained, so the unit goes straight back where the factory item came out.
The regulator rectifier is the part of the charging system that converts the alternating current produced by the stator into direct current and holds the output at a safe, stable voltage for the battery and the rest of the electrical system. This replacement uses a higher grade of electric components and an improved heat sink for better heat dissipation and charging capability, and the manufacturer states that the quality exceeds the OEM equipment. Every unit is tested before it is shipped.
The unit is supplied with the opposite connector - the main harness side - because these connectors are often found melted, corroded or otherwise defective and are a major cause of repeat electrical faults. Fitting the fresh connector at the same time as the regulator removes the most common source of a recurring charging problem.
Key Features
- Brand new direct replacement for the original Yamaha unit
- Plug-and-play, direct fit, easy installation
- No assembly and no modification required
- Improved heat sink for better heat dissipation
- Improved charging capability over the original design
- Higher grade of electric components throughout
- Quality exceeds the OEM equipment
- Supplied with the opposite main harness side connector
- Two plugs, seven pins, seven wires
- Every unit is tested before shipping
Technical Specs
| Specification | Detail |
|---|---|
| Part number | RM30406 |
| Width | 80 mm |
| Length | 103 mm |
| Height | 31 mm |
| Distance between fixation holes | 72 mm |
| Wire length (first) | 440 mm |
| Wire length (second) | 285 mm |
| Number of plugs | 2 |
| Number of pins | 7 |
| Number of wires | 7 |
| Minimum charging voltage | 14.5 V +/- 0.5 V |
| Maximum charging current | 50 A / 500 W |
| Open circuit voltage | Less than 15 V |
| Operating temperature | -20 C to 85 C |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Yamaha Royal Star 1300 | 1993 - 2001 |
| Yamaha TDM 850 | 1993 - 2001 |
| Yamaha XV 250 Virago | 1993 - 2001 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 3VD-81960-00-00 | Yamaha |
| 3VD-81960-01-00 | Yamaha |
| 3LS-81960-00-00 | Yamaha |
| 3LS-81960-01-00 | Yamaha |
Frequently Asked Questions
Does this regulator rectifier need any modification to fit?
No. RM30406 is a direct fit, plug-and-play replacement for the original unit. It uses the same two plugs with seven pins and seven wires, and the mounting holes are 72 mm apart to match the factory bracket. No assembly, cutting or splicing is required.
What is included?
You receive the voltage regulator rectifier itself together with the opposite connector for the main harness side. That harness side connector is included because the original is frequently melted, corroded or defective and is a common cause of repeat electrical issues.
How do I tell whether my old regulator rectifier has failed?
A healthy charging system should hold at least 14.5 V +/- 0.5 V at the battery with the engine running. Readings that stay well below that point to a unit that is no longer charging, while readings that climb above roughly 15 V point to a unit that has lost regulation and is overcharging the battery. Discoloured or melted connector housings on either side of the plug are another strong indicator.
How much output can this unit handle?
The maximum charging current is rated at 50 A, equivalent to 500 W, with an open circuit voltage below 15 V. It is designed to operate between -20 C and 85 C, and the improved heat sink helps it shed heat during sustained running.
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