Performance Replacement for KTM & Husqvarna 450 Models
Upgrade your electrical system with this high-performance 90W stator, specifically engineered for the KTM 450 SX-F and XC-F series. Unlike standard low-output units, this stator provides the additional wattage required for lighting kits, cooling fans, or other electrical accessories while maintaining peak ignition performance.
RELIABILITY: Manufactured using high-grade copper windings (rated to 200°C) and premium lamination materials to ensure maximum thermal efficiency and longevity under race conditions.
Key Features
✔ 90W High Output: Enhanced power for accessories.
✔ Plug-and-Play: Correct connectors and grommet included.
✔ Direct Fit: Exact physical replacement for OEM 78939004000.
✔ Precision Wound: Maximum efficiency copper coils.
Technical Specs
Power Output
90 Watts
Outer Diameter
76 mm
Inner Diameter
30 mm
Thickness
19 mm
Resistance
1.9 Ohms ±20%
Number of Poles
12
Compatibility / Fitment Guide
Make
Model
Year Range
KTM
450 SX-F
2012 - 2015
KTM
450 XC-F
2012 - 2015
KTM
450 SMR
2014
Husqvarna
FC 450
2014 - 2015
Husqvarna
FS 450
2015
OEM Cross Reference
KTM / Husqvarna
78939004000
Superseded Part Numbers
78939004100
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part from 4Drive, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
Verify that your original part number is 78939004000. This stator is specifically designed for the 450 SX-F/XC-F engine platform used between 2012 and 2015.
Does this require a different regulator for the 90W output?
In most cases, it is compatible with the standard charging system, but we recommend ensuring your battery is in good condition and fully charged before installation to handle the increased load capacity.
Note: Technical data provided for reference. Please verify your original part matches the dimensions and SKU listed above. For assistance, contact 4Drive technical support.
