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Magneto Stator for BMW F650GS F700GS F800GS F800R | 12318524422
Magneto Stator for BMW F650GS F700GS F800GS F800R | 12318524422
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Product Overview
Replacement 18-coil magneto stator / generator stator for selected BMW F-Series parallel-twin motorcycles, including compatible F650GS, F700GS, F800GS, F800R, F800S, F800ST, and F800GT applications.
Designed for the BMW 650/700/800 twin-cylinder platform, this stator measures approximately 115mm outer diameter and 54mm inner diameter.
It is designed as an aftermarket replacement for compatible BMW charging-system stators associated with BMW 12 31 8 524 422 / 12318524422 and related references.
Before ordering, verify the OEM number, exact motorcycle model and year, stator dimensions, mounting points, wiring, connector, and original stator appearance.
Product Compatibility
| Make | Model | Engine | Fitment Notes |
|---|---|---|---|
| BMW | F650GS Twin | 798cc | Selected twin-cylinder models; not single-cylinder F650GS |
| BMW | F700GS | 798cc | Verify year and original stator |
| BMW | F800GS | 798cc | Selected compatible models |
| BMW | F800R | 798cc | Verify OEM number |
| BMW | F800S | 798cc | Selected compatible models |
| BMW | F800ST | 798cc | Verify original stator |
| BMW | F800GT | 798cc | Selected compatible models |
Important F650GS Fitment
This product is intended for compatible F650GS parallel-twin applications.
It should not be confused with earlier BMW F650GS motorcycles using the single-cylinder engine, as those models use a different charging-system configuration.
OEM Cross-Reference Numbers
BMW
- 12 31 8 524 422
- 12318524422
Related BMW F-Series stator references may vary by model year and production date. Match the original OEM number whenever possible before ordering.
Specifications
| Specification | Details |
|---|---|
| Product Type | Magneto Stator / Generator Stator |
| Coil Count | 18 Coils |
| Outer Diameter | 115 mm / 4.53 in |
| Inner Diameter | 54 mm / 2.13 in |
| Application | BMW F-Series Motorcycle |
| Engine Platform | 798cc Parallel Twin |
| Winding Material | Copper |
| Condition | New |
| Package Quantity | 1 Stator |
Key Features
- 18-Coil Configuration: Designed for compatible BMW F-Series charging systems.
- 115mm OD / 54mm ID: Provides an important physical reference for confirming fitment.
- BMW F-Series Application: Suitable for selected F650GS Twin, F700GS, F800GS, F800R, F800S, F800ST, and F800GT motorcycles.
- Replacement Charging Component: Designed to replace a failed or damaged compatible generator stator.
- OEM-Based Fitment: BMW part number and original stator comparison provide more reliable fitment confirmation than engine displacement alone.
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Fitment FAQ
Will this part fit my specific model and year?
This stator is designed for selected BMW F650GS Twin, F700GS, F800GS, F800R, F800S, F800ST, and F800GT motorcycles using the compatible 18-coil charging-system configuration.
Fitment varies by model year and production configuration, so verify the original stator before ordering.
Do I need to match the OEM part number?
Yes. Matching the original BMW part number is strongly recommended.
Primary reference:
BMW 12 31 8 524 422 / 12318524422
You should also compare the physical dimensions, mounting points, wiring, and connector with your original stator.
What models or situations does this part not fit?
Do not assume this stator fits:
BMW F650GS single-cylinder models
Every BMW motorcycle with a 650cc, 700cc, or 800cc designation
Models using a different stator diameter
Stators with a different mounting-hole pattern
Applications with different wiring or connector configurations
Motorcycles requiring a different OEM stator
BMW model designation alone does not confirm compatibility.
What should I check before ordering?
Confirm:
Exact BMW motorcycle model
Production year
F650GS Twin vs. Single where applicable
Original OEM part number
18-coil configuration
115mm outer diameter
54mm inner diameter
Mounting-hole pattern
Wire length and grommet location
Connector shape and pin arrangement
Original stator appearance