Voltage Regulator for Honda CRF 150 230, Aprilia SR 50 & Kymco Sento 50 1991-2019
Voltage Regulator for Honda CRF 150 230, Aprilia SR 50 & Kymco Sento 50 1991-2019
SKU:RMS020-103874
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Voltage Regulator for Honda CRF 150 230, Aprilia SR 50 & Kymco Sento 50
Aprilia, Honda and Kymco models 1991-2019 - part number RMS020-103874
This is a brand new aftermarket voltage regulator rectifier, supplied as a direct replacement for the original unit fitted to a range of small-capacity Aprilia, Honda and Kymco machines built between 1991 and 2019. It is a plug-and-play, direct fit part: it uses the original plug and the original mounting position, so no assembly and no cutting or splicing of the loom is required to put it on the bike.
The regulator measures 49 mm wide by 37 mm long and 24 mm high, and connects through a single plug carrying four pins. It is built with a higher grade of electrical components than the original part, and the manufacturer states that the quality exceeds the OEM equipment. Every unit is tested before it is shipped. Charging voltage is held at 14.5 V plus or minus 0.5 V, with a maximum charging current rating of 50 A or 500 W and an open circuit voltage below 15 V, and the unit is rated to operate from -20 C up to 85 C.
Key Features
- Brand new aftermarket voltage regulator rectifier
- Direct replacement for your original unit
- Plug-and-play, direct fit, easy installation
- No assembly required
- Higher grade of electric components
- Quality exceeds the OEM equipment
- All units are tested before they are shipped
- Single 4-pin plug, compact 49 x 37 x 24 mm body
Technical Specs
| Specification | Detail |
|---|---|
| Part number | RMS020-103874 |
| Width | 49 mm |
| Length | 37 mm |
| Height | 24 mm |
| Number of plugs | 1 |
| Number of pins | 4 |
| Minimum charging voltage | 14.5 V +/- 0.5 V |
| Maximum charging current | 50 A / 500 W |
| Open circuit voltage | Less than 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 |
|---|---|
| Aprilia SR 50 | 1991-2019 |
| Honda CRF 150 | 1991-2019 |
| Honda CRF 230 | 1991-2019 |
| Honda SFX 50 | 1991-2019 |
| Honda CG 125 | 1991-2019 |
| Kymco Sento 50 | 1991-2019 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31600-GAH-004 | OEM cross reference |
| 31600-GAG-K20 | OEM cross reference |
| 31600-GAG-K21 | OEM cross reference |
| 31600-GBL-871 | OEM cross reference |
| 31600-KRP-981 | OEM cross reference |
| 31600-CT3-A00 | OEM cross reference |
| 31600-LBC6-900 | OEM cross reference |
| 31600-LBC6-90B | OEM cross reference |
| AP8224102 | OEM cross reference |
| 8224102 | OEM cross reference |
| 34440100 | OEM cross reference |
| 34.9401/0 | OEM cross reference |
Frequently Asked Questions
Do I need to modify the wiring to fit this regulator?
No. This is a plug-and-play, direct fit replacement. It uses the same single four-pin plug as the original unit and mounts in the original position, so no assembly, cutting or splicing is required.
What is included?
One brand new aftermarket voltage regulator rectifier, part number RMS020-103874. No additional hardware or connectors are listed for this part.
How can I tell my old regulator has failed?
A healthy charging system holds at least 14.5 V plus or minus 0.5 V at the battery with the engine running. A reading well below that, a battery that goes flat repeatedly, or a reading that climbs above the 15 V open circuit limit and boils the battery all point at the regulator rather than the battery itself.
My machine is not in the fitment table but my old part number matches. Will it still fit?
The cross reference numbers above are the reliable check. If the number stamped or printed on your original unit appears in that table, this regulator is the correct electrical and physical match, whatever the model name on the tank.
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