Starter Relay Solenoid for Honda CRF 125 F, CRF 450 X & XR 650 L 1993-2025
Starter Relay Solenoid for Honda CRF 125 F, CRF 450 X & XR 650 L 1993-2025
SKU:RMS090-106133
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Starter Relay Solenoid for Honda CRF and XR - RMS090-106133
Honda CRF 125 F, CRF 150 F, CRF 450 X, XR 650 L - 1993-2025
A brand new starter relay solenoid switch, supplied as a direct replacement for the original unit fitted across a long-running range of Honda trail and enduro machines. The starter solenoid is the heavy duty switch that stands between the battery and the starter motor. Pressing the start button sends a small current to the solenoid coil, which closes a set of high current contacts and lets the full battery output reach the motor. It has to do that reliably while carrying far more current than the handlebar switch could ever handle, which is why it is one of the most common causes of a bike that suddenly will not turn over.
This unit is rated at 150 A for 30 seconds, with four terminals and one plug so it connects to the original harness without modification. It measures 50 mm high, 37 mm long and 33 mm wide, matching the space the original occupies in its rubber mount. The manufacturer states the quality exceeds the OEM equipment and all products shipped are tested. As RMStator notes, all item pictures are accurate - if you are in any doubt, compare the item to your original part before fitting, and check the number stamped on your old solenoid against the cross reference list below.
Key Features
- Brand new starter relay solenoid switch
- Direct replacement to your original unit
- Rated 150 A for 30 seconds
- Four terminals and one plug for a standard connection
- Quality stated to exceed the OEM equipment
- All products shipped are tested
Technical Specs
| Specification | Detail |
|---|---|
| Height | 50 mm |
| Length | 37 mm |
| Width | 33 mm |
| Number of terminals | 4 |
| Number of plugs | 1 |
| Rate | 150 A 30 S |
| Part number | RMS090-106133 |
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 CRF 125 F | 1993-2025 |
| Honda CRF 150 F | 1993-2025 |
| Honda CRF 450 X | 1993-2025 |
| Honda XR 650 L | 1993-2025 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 35850-KCN-000 | Honda |
| 35850-KCN-003 | Honda |
| 35850-MY6-670 | Honda |
| 35850-MY6-671 | Honda |
Frequently Asked Questions
Will it fit without modification?
Yes. It is a direct replacement to your original unit, with four terminals and a single plug matching the standard Honda connection, so no rewiring or adapters are needed. Because this solenoid covers several models over a long production span, check the number on your existing unit against the cross reference table above before ordering.
What is supplied?
One starter relay solenoid switch, tested before shipping. RMStator states that all item pictures are accurate, so if you have any doubt about the connector or the terminal layout, compare the item directly to your original part.
How do I know the old solenoid has failed?
The classic symptom is a single loud click from the solenoid when you press the start button, with the engine not turning over, while the lights stay bright - that indicates the coil is pulling in but the internal contacts are no longer passing current. Other signs are intermittent starting that works one time in three, or nothing at all from a battery that you know is fully charged. Always confirm the battery and its terminals first, since a weak battery produces very similar symptoms.
What does the 150 A 30 S rating mean?
It is the current the solenoid contacts are designed to carry and the duration they are rated for: 150 amps for 30 seconds. Starting a single cylinder four stroke draws a very large current for a short burst, and that rating is what allows the unit to handle it. It is not a continuous rating, so prolonged cranking should be avoided, as much for the starter motor as for the solenoid.
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