Voltage Regulator Rectifier for Honda ATC 200 & TRX 200 1982-1984
Voltage Regulator Rectifier for Honda ATC 200 & TRX 200 1982-1984
SKU:RM03900
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Improved Voltage Regulator Rectifier for Honda ATC 200 and TRX 200
Honda ATC 200 and TRX 200 - 1982, 1983 and 1984
This is an improved 35 amp voltage regulator rectifier for the Honda ATC 200 and TRX 200 built in 1982, 1983 and 1984. It is a direct replacement for the original unit and installs plug-and-play, using the same single four-pin plug and the same 55 mm mounting hole spacing as the factory part, so no modification is needed.
The regulator rectifier converts the alternating current from the stator into direct current and holds the charging voltage steady, protecting the battery and the rest of the electrical system. This RMSTATOR version is built to a higher standard than the original: heat dissipation is improved and the electrical components are a higher grade than the OEM equipment, which addresses the overheating that kills the factory unit. Each one is factory tested before it leaves. The package also includes an additional connector for the main harness side, because on machines of this age the harness connector is very often melted or corroded and needs replacing alongside the regulator.
Key Features
- Improved 35 amp capacity replacement regulator rectifier
- Direct replacement - plug-and-play installation
- Improved heat dissipation over the original design
- Higher grade electrical components, exceeding OEM quality
- Additional connector for the main harness side supplied in the box
- Single four-pin plug, four wires, 235 mm long
- 55 mm fixation hole spacing, centre to centre
- Factory tested before dispatch
- RMSTATOR part number RM03900
Technical Specs
| Specification | Detail |
|---|---|
| Part Number | RM03900 |
| Width | 63 mm |
| Length | 66 mm |
| Height | 22 mm |
| Wire Length | 235 mm |
| Fixation Hole Distance | 55 mm centre to centre |
| Number of Plugs | 1 |
| Number of Pins | 4 |
| Number of Wires | 4 |
| Minimum Charging Voltage | 14.5 V +/- 0.5 V |
| Maximum Charging Current | 25 A / 300 W |
| Open Circuit Voltage | Under 15 V |
| Operating Temperature | -20 C to 85 C |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Honda ATC 200 | 1982, 1983, 1984 |
| Honda TRX 200 | 1982, 1983, 1984 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31600-958-680 | Honda |
| 31600-958-681 | Honda |
| 31600-958-682 | Honda |
| 31600-VM5-000 | Honda |
| 08615-9580004 | Honda |
Frequently Asked Questions
Will this fit without modification?
Yes. It is a direct replacement for the original regulator rectifier on the ATC 200 and TRX 200 of 1982 to 1984, using the same single four-pin plug and the same 55 mm mounting hole spacing, so it is a plug-and-play fit with no cutting or drilling.
What is included?
The voltage regulator rectifier with its connector, plus an additional connector for the main harness side. That spare is supplied because the harness-side connector on these machines is commonly found melted or corroded.
How do I know my old regulator has failed?
Look for a battery that will not stay charged, charging voltage at the battery terminals that sits well below or well above the 14.5 V +/- 0.5 V figure with the engine running, a battery that boils or swells, and bulbs that blow repeatedly. A regulator body that is discoloured or a harness plug that has melted are strong indications too.
Is this stronger than the original Honda unit?
It is rated at 35 amps capacity and uses a higher grade of electrical components than the OEM part, with improved heat dissipation. Overheating is the usual cause of failure on the factory regulator, so the improved heat handling is the main practical benefit.
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