Stator for Kawasaki KFX 50 2007-2024 - Replaces 21003-Y003
Stator for Kawasaki KFX 50 2007-2024 - Replaces 21003-Y003
SKU:RM01317
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Stator for Kawasaki KFX 50
Kawasaki KFX 50 - 2007 to 2024 - OEM reference 21003-Y003 and 21003-Y001
This is a brand new replacement stator for the Kawasaki KFX 50, built as a direct replacement for the original unit fitted to the machine from 2007 through to 2024. It is a plug-and-play, direct fit component: the winding layout, the wiring colours, the plug bodies and the mounting pattern all follow the original part, so the stator drops back into the same position inside the case and the loom reconnects without cutting, splicing or adapting anything. Part number RM01317 cross-references the Kawasaki original part numbers 21003-Y003 and 21003-Y001.
The unit is wound with the highest grade copper available, insulated to withstand 200 degrees Celsius, and built on highest grade lamination materials so that it holds its output under the sustained heat of a small air-cooled engine. The alternator winding measures 0.4 ohms wire to wire and the pickup measures 120 ohms, both within a 20 percent tolerance, which gives you two straightforward figures to check the part against before and after fitting. The pick up pulsar coil, the connector and the rubber grommet are all supplied on the assembly, so there is nothing to transfer across from the failed unit and no separate parts to source.
Key Features
- Brand new stator, not a rewound or refurbished core
- Direct replacement for the original unit
- Plug-and-play, direct fit, easy installation
- Highest grade lamination materials
- Highest grade copper windings, resistant to 200 degrees Celsius
- Pick up pulsar coil supplied on the assembly
- Connector and rubber grommet included
- Cross-references OEM 21003-Y003 and 21003-Y001
Technical Specs
| Specification | Detail |
|---|---|
| Interior diameter | 28 mm |
| Exterior diameter | 88 mm |
| Thickness | 8 mm |
| Wire length (stator to grommet) | 75 mm |
| Wire length (grommet to plug) | 400 mm |
| Pickup coil wire length (to grommet) | 5 mm |
| Number of wires | 3 |
| Number of plugs | 2 |
| Number of pins | 3 |
| Alternator wire-to-wire resistance | 0.4 ohms +/-20% |
| Pickup resistance | 120 ohms +/-20% |
| Copper winding temperature rating | 200 degrees Celsius |
| Part number | RM01317 |
Vehicle Fitment Guide
| Make & Model | Years |
|---|---|
| Kawasaki KFX 50 | 2007-2024 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 21003-Y003 | Kawasaki |
| 21003-Y001 | Kawasaki |
Frequently Asked Questions
Will this fit my KFX 50 without modification?
Yes. It is a direct replacement for the original stator fitted to the Kawasaki KFX 50 between 2007 and 2024. The wiring, the plugs and the mounting holes match the original, so no cutting, splicing or drilling is required. Before ordering, check the part number on your existing unit against 21003-Y003 or 21003-Y001.
What is included?
The stator is supplied with the pick up pulsar coil, the connector and the rubber grommet already fitted to the assembly. There is nothing to transfer over from the old unit.
How do I know my old stator has failed?
The usual signs are a battery that will not hold charge, dim or flickering lights, and a weak or absent spark. You can confirm it with a multimeter: the alternator winding should read 0.4 ohms wire to wire and the pickup should read 120 ohms, both within 20 percent. A reading of open circuit, or any continuity between a winding and the stator body, means the unit has failed.
Do I need to replace the pickup coil separately?
No. The pick up pulsar coil is part of this assembly and is supplied ready wired, with the pickup lead running 5 mm to the grommet. The main harness runs 75 mm from the stator to the grommet and a further 400 mm from the grommet to the plug.
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