Voltage Regulator Rectifier for Honda XR 125 L 2003-2012
Voltage Regulator Rectifier for Honda XR 125 L 2003-2012
SKU:RMS020-103703
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Voltage Regulator Rectifier for Honda XR 125 L
Honda XR 125 L 2003-2012 - replaces Honda 31600-KRH-D01 and 31600-KRH-921
This is a brand new aftermarket voltage regulator rectifier for the Honda XR 125 L, built as a direct replacement for the original unit fitted from 2003 to 2012. It is a plug-and-play, direct fit part - easy installation, with no assembly required and no modification to the loom. The RMSTATOR part number is RMS020-103703.
The unit is built with a higher grade of electric components, so the quality exceeds the OEM equipment, and all products shipped are tested before they leave the factory. The opposite connector - the main harness side - is included as well, because on a bike of this age that connector is very often melted, corroded or defective, and it is a major cause of repetitive electrical issues that come straight back after a new regulator is fitted.
Key Features
- Brand new aftermarket unit - a direct replacement for your original regulator rectifier
- Plug-and-play, direct fit, easy installation - no assembly required
- Higher grade of electric components; quality exceeds the OEM equipment
- All products shipped are tested
- Opposite connector (main harness side) included
- Two plugs, five pins, five wires - matches the original layout
- Rated for operation from -20 C to 85 C
Technical Specs
| Specification | Detail |
|---|---|
| Width | 49 mm |
| Length | 76 mm |
| Height | 31 mm |
| Wires length | 165 mm |
| Fixation holes centre to centre | 61 mm |
| Number of plugs | 2 |
| Number of pins | 5 |
| Number of wires | 5 |
| Minimum charging voltage | 14.5 V +/- 0.5 V |
| Maximum charging current | 50 A / 500 W |
| Open circuit voltage | Under 15 V |
| Operation temperature | -20 C to 85 C |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Honda XR 125 L | 2003-2012 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31600-KRH-D01 | Honda |
| 31600-KRH-921 | Honda |
| RMS020-103703 | RMSTATOR |
Frequently Asked Questions
Will this fit my XR 125 L without modification?
Yes. It is a direct fit, plug-and-play replacement for the original unit. The fixation holes are 61 mm apart centre to centre and the unit carries the same two plugs, five pins and five wires as the part it replaces, so no cutting, splicing or assembly is required.
What is included?
The voltage regulator rectifier itself, and the opposite connector for the main harness side. That second connector is included because it is so often melted or corroded on a machine that has suffered a charging fault.
How do I tell whether my old regulator rectifier has failed?
The usual signs are a battery that will not hold its charge, a battery that overcharges or boils, and lights that dim or flare with engine speed. A healthy system should show a minimum charging voltage of 14.5 V +/- 0.5 V with an open circuit voltage below 15 V, which is what this unit is built to deliver.
How much current can it handle?
Maximum charging current is 50 A / 500 W, and the unit is rated to operate between -20 C and 85 C, so it copes with the underseat and frame-mounted positions used on this model.
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