The most common weak point in starters is the starter clutch. Reinforced ball bearing and wider tooth flanks make these versions very robust! Other advantages:
- Heavy field coils and large brushes
- Temperature resistant lubrication
- Resistant to vibrations
- Durable internal power transmission through steel gears
- Tested and proven quality to OEM standards
- 25% more torque and speed than OEM 1.2kW models
- Replaces OEM # OEM # 31390-86, 31390-91
Note
Fits Harley-Davidson Sportster XL 91-20