Regulator Rectifier for Ducati 1998-2012, Honda 1986-2003 & Suzuki 1997-2012
Regulator Rectifier for Ducati 1998-2012, Honda 1986-2003 & Suzuki 1997-2012
SKU:RMS020-107853
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REVOLT Voltage Regulator Rectifier - RMS020-107853
Ducati 1998-2012, Honda 1986-2003 and Suzuki 1997-2012
The RMSTATOR REVOLT voltage regulator rectifier, part number RMS020-107853, is a brand new charging system replacement listed by RMSTATOR against Ducati machines from 1998 to 2012, Honda machines from 1986 to 2003 and Suzuki machines from 1997 to 2012. Rather than reproducing the thirty-year-old original design, RMSTATOR redesigned the rectifier side of the unit - the side that causes around 85 per cent of voltage regulator failures in powersports applications - after two years of research and development and a careful choice of top-grade performance components.
Because heat is what ends the life of most regulator rectifiers, the REVOLT is built into a proprietary Arctic Frostbite housing, CNC-machined from high quality aluminium billet with increased and deeper fins for optimal heat transfer from the internal components out to fresh air. RMSTATOR states the unit runs 50 per cent cooler than the OEM part and dissipates heat 45 per cent faster than the original design. It is engineered, designed and manufactured in North America under strict quality control and is backed by a limited lifetime warranty.
Key Features
- Redesigned rectifier section, addressing the cause of roughly 85 per cent of regulator failures
- Runs 50 per cent cooler than the OEM unit
- Dissipates heat 45 per cent faster than the OEM design
- Arctic Frostbite housing, CNC-machined from high quality aluminium billet with deeper fins
- Maximum charging current of 50 A / 500 W
- Minimum charging voltage of 14.5 V plus or minus 0.5 V
- Rated for operation from -20 C to 85 C
- Supplied with a 150 mm harness carrying 3 plugs
- Cross referenced against twelve OEM part numbers across three makes
- Engineered, designed and manufactured in North America with a limited lifetime warranty
Technical Specs
| Specification | Detail |
|---|---|
| Width | 103 mm |
| Length | 102 mm |
| Height | 26 mm |
| Fixation holes, centre to centre | 78 mm |
| Number of plugs | 2 |
| Number of pins | 5 |
| Number of wires | 0 |
| 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 |
| Harness wire length | 150 mm |
| Harness yellow wires | 3 |
| Harness red wires | 1 |
| Harness green wires | 1 |
| Harness plugs | 3 |
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 |
|---|---|
| Ducati | 1998-2012 |
| Honda | 1986-2003 |
| Suzuki | 1997-2012 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31600-MN4-018 | OEM cross reference |
| 31600-MN4-008 | OEM cross reference |
| 31600-KV0-018 | OEM cross reference |
| 31600-KV0-008 | OEM cross reference |
| 31600-MBG-305 | OEM cross reference |
| 31600-ML0-721 | OEM cross reference |
| 31600-ML7-008 | OEM cross reference |
| 31600-MZ5-003 | OEM cross reference |
| 54040261A | OEM cross reference |
| 54040101A | OEM cross reference |
| 54040111C | OEM cross reference |
| 540.1.016.1A | OEM cross reference |
Frequently Asked Questions
Will this fit my bike without modification?
It is built as a replacement for the OEM part numbers listed above and uses 2 plugs with 5 pins in total, with a 150 mm harness carrying 3 plugs. RMSTATOR publishes this part against three makes and a broad year span rather than a model by model list, so the reliable check is to read the part number stamped on the unit currently fitted to your bike and match it against the cross reference table. Mounting is via two fixation holes 78 mm apart, centre to centre.
What is supplied with the regulator?
RMSTATOR lists a harness alongside the regulator itself: 150 mm wires made up of 3 yellow, 1 red and 1 green, terminating in 3 plugs. RMSTATOR does not publish a separate box contents list for this part, so if you need anything beyond the regulator and harness please ask our technical team before ordering.
How can I tell my old regulator rectifier has failed?
The usual signs are a battery that will not hold charge, dim or flickering lights, or a battery that boils and vents because it is being overcharged. A healthy charging system should bring the battery up to the minimum charging voltage of 14.5 V plus or minus 0.5 V quoted for this unit; a reading well below or well above that figure with the engine running points at the regulator rectifier. A unit that is too hot to touch after a short ride is another common symptom.
Why does one part cover Ducati, Honda and Suzuki?
Because those three makes used regulator rectifiers with the same electrical specification and the same 2-plug, 5-pin connection over the years shown. That is why the cross reference table carries both the Honda 31600 series numbers and the Ducati 54040 and 540 series numbers against a single RMSTATOR part. Match your original number to the table and the unit will be the correct one.
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