Stator for Polaris Trail Boss, Magnum & Xpedition 325 2000-2002
Stator for Polaris Trail Boss, Magnum & Xpedition 325 2000-2002
SKU:RM01327
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Stator for Polaris Trail Boss, Magnum and Xpedition 325
Fits Trail Boss 325, Magnum 325 and Xpedition 325, 2000 to 2002 - Part RM01327
This is a brand new stator for the 325cc Polaris utility and trail machines built between 2000 and 2002 - the Trail Boss 325, the Magnum 325 and the Xpedition 325. It is a direct replacement for the original Polaris unit and fits plug-and-play behind the flywheel, with the pick-up pulsar coil, the connector and the rubber grommet all supplied and pre-fitted.
This is a considerably more complex stator than most, and it is worth understanding why before you diagnose a fault. It carries twelve wires across nine plugs and fifteen pins, because in addition to the main alternator windings it houses a pick-up coil for the ignition timing signal and a separate source coil that feeds the ignition system directly. Polaris of this era ran a good deal of the machine's electrical architecture through that one plate, which is why the harness leg from the grommet to the plug is a full 900 mm long - it has to reach several different connection points around the machine. A failure in any one of the three circuits produces quite different symptoms: the alternator windings going down give you a battery that will not charge and lights that pulse with the revs, while a failed pick-up or source coil gives you a misfire, a hard start, or no spark at all with a battery that still tests perfectly. The replacement is built on premium lamination materials with the highest grade copper windings rated to 200 degrees Celsius, and every unit is tested before it is shipped.
Key Features
- Brand new stator, a direct replacement for the original unit
- Plug-and-play, direct fit, easy installation
- Premium lamination materials
- Highest grade copper windings, rated to 200 degrees Celsius
- Carries the alternator, pick-up and source coil circuits on one plate
- Pick-up pulsar coil included
- Connector included
- Rubber grommet included
- All products undergo testing before shipment
Technical Specs
| Specification | Detail |
|---|---|
| Alternator resistance (Yellow to Green) | 0.4 ohms +/- 20% |
| Pick-up resistance (White to White/Red) | 510 ohms +/- 20% |
| Source coil resistance (Blue to Red) | 2.3 ohms +/- 20% |
| Number of wires | 12 |
| Number of plugs | 9 |
| Number of pins | 15 |
| Wire length, stator to grommet | 130 mm |
| Wire length, grommet to plug | 900 mm |
| Pick-up coil wire length to grommet | 235 mm |
| Interior diameter | 41 mm |
| Exterior diameter | 103 mm |
| Thickness | 15 mm |
| Winding temperature rating | 200 degrees Celsius |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Polaris Trail Boss 325 | 2000 - 2002 |
| Polaris Magnum 325 | 2000 - 2002 |
| Polaris Xpedition 325 | 2000 - 2002 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 3086458 | Polaris |
| 3086904 | Polaris |
| RM01327 | RMSTATOR (this part) |
Frequently Asked Questions
Will this fit without modification?
Yes. It is a plug-and-play direct fit for the 325cc Trail Boss, Magnum and Xpedition from 2000 to 2002. The 41 mm bore, the 103 mm outer diameter and all nine factory plugs match the original, so no cutting or splicing is needed. Confirm the number on your existing unit reads 3086458 or 3086904 before ordering.
What is included in the box?
The stator assembly, the pick-up pulsar coil, the connector and the rubber grommet.
How do I know my old stator has failed?
Test all three circuits with a multimeter on ohms. Yellow to green should read about 0.4 ohms for the alternator, white to white/red about 510 ohms for the pick-up, and blue to red about 2.3 ohms for the source coil, all plus or minus 20 per cent. Note how far apart those three figures are - it is easy to condemn a healthy winding by comparing it against the wrong specification, so check each circuit against its own value. Any open circuit reading, or continuity between a wire and the stator body, means the unit has failed.
Why does this stator have so many plugs?
Twelve wires run to nine separate plugs carrying fifteen pins in total, because Polaris routed the alternator, ignition pick-up and source coil circuits to different points on the machine rather than through a single connector. Take a photograph of the routing before you remove the old unit - reconnecting nine plugs is much easier with a reference picture, and the 900 mm harness leg gives you plenty of slack to work with.
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