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9-Tooth Starter Motor for Yamaha YZF-R6 R6S FZ6 5EB-81890-00
9-Tooth Starter Motor for Yamaha YZF-R6 R6S FZ6 5EB-81890-00
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Product Overview
Replace a worn, weak, noisy, or failed starter motor with this electric starter motor, designed for select Yamaha YZF-R6, YZF-R6S, FZ6, and FZ6 Fazer motorcycle applications using OEM reference number 5EB-81890-00-00.
The starter motor helps crank the engine when the electric start button is pressed. A failing starter motor may cause slow cranking, clicking, intermittent starting, no-crank issues, grinding noise, or failure to start even when the battery is fully charged.
This replacement starter motor is built with high-grade copper coil winding, a reinforced outer shell, and a sealed structure based on supplied product data. Please compare your original starter motor’s OEM number, tooth count, rotation direction, mounting points, electrical terminal, body shape, gear position, and overall dimensions before ordering.
Product Compatibility
| Make | Model | Year Range | OEM / Reference Number | Fitment Notes |
|---|---|---|---|---|
| Yamaha | YZF-R6 / YZFR6 / R6 | 1999–2005 | 5EB-81890-00 / 5EB-81890-00-00 | Main R6 fitment; confirm original starter gear and body shape |
| Yamaha | YZF-R6R RaceBase | 2005 | 5EB-81890-00-00 | Possible related fitment; verify original starter motor |
| Yamaha | YZF-R6S / YZFR6S / R6S | 2003–2009 | 5EB-81890-00 / 5EB-81890-00-00 | Main R6S fitment; match by OEM number and starter body |
| Yamaha | FZ6 / FZ6-N | 2004–2009 | 5EB-81890-00 / 5EB-81890-00-00 | Common fitment; verify starter body, terminal, and mounting layout |
| Yamaha | FZ6 Fazer / FZ6-S | 2004–2009 | 5EB-81890-00 / 5EB-81890-00-00 | Common Fazer fitment; compare original starter before ordering |
| Yamaha | FZ6 Fazer S2 / FZ6-S2 | Select 2006–2009 applications | 5EB-81890-00-00 | Verify original starter and fitment before purchase |
| Yamaha | YZF-R6 2006+ Standard R6 | Different starter commonly used | 2C0-81890-00-00 | Do not use this part unless the original starter fully matches |
Important Fitment Note:
This part is not selected by model name alone. Yamaha YZF-R6, YZF-R6S, FZ6, and FZ6 Fazer models may use different starter motors depending on year, market, engine version, gear count, rotation direction, mounting points, and electrical terminal style. Please confirm your original starter motor matches OEM 5EB-81890-00 or 5EB-81890-00-00 and the overall physical design before ordering.
Specifications
| Specification | Details |
| Product Type | Electric Starter Motor |
| Compatible Brand | Yamaha |
| Main Compatible Models | YZF-R6, YZF-R6S, FZ6, FZ6 Fazer |
| Main OEM Reference | 5EB-81890-00 |
| Full OEM Format | 5EB-81890-00-00 |
| Compact OEM Format | 5EB818900000 |
| Supplied Dimensions | 190mm / 7.48", 100mm / 3.94", 80mm / 3.15", based on supplied product data |
| Material / Build | High-grade copper coil winding and reinforced sealed housing, based on supplied product data |
| Common Vehicle Type | Motorcycle / Sport Bike / Street Bike |
| Application | Electric Starting System |
| Fitment Type | Replacement, match by OEM number, tooth count, rotation, and mounting style |
Key Features
- Replacement starter motor for select Yamaha YZF-R6, YZF-R6S, FZ6, and FZ6 Fazer motorcycles
- Replaces Yamaha starter motor reference 5EB-81890-00 / 5EB-81890-00-00
- High-grade copper coil winding supports strong cranking torque and quick ignition response
- Reinforced outer shell and sealed structure help protect internal parts from dust, moisture, oil dirt, and corrosion
- Helps restore electric start function when the original starter motor is weak, worn, noisy, or failed
- Built for stable cranking performance in daily riding and high-intensity riding conditions
- Direct replacement style, but original OEM number, gear count, rotation direction, terminal type, and mounting layout must be checked before installation
OEM Cross Reference
| OEM / Reference Number | Notes |
| 5EB-81890-00 | Main Yamaha starter motor reference |
| 5EB8189000 | Compact format of 5EB-81890-00 |
| 5EB-81890-00-00 | Full Yamaha OEM starter motor reference |
| 5EB818900000 | Compact format of 5EB-81890-00-00 |
| 5EB-81890-01-00 | Possible related Yamaha starter reference on some listings; verify before purchase |
| 5EB818900100 | Compact format of 5EB-81890-01-00 |
| SM14222 | Common aftermarket starter motor reference |
| SMU0175 | Common aftermarket starter motor reference on some listings |
| 410-54027 | Common aftermarket starter motor reference on some listings |
| 17835 | Common aftermarket starter motor reference on some listings |
Please use the OEM/reference number together with physical fitment checks. If your original starter motor has a different gear tooth count, rotation direction, shaft style, mounting hole layout, electrical terminal, body dimensions, or mounting position, this part may not fit.
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Passform-FAQ
Passt dieses Teil zu meinem spezifischen Modell und Baujahr?
This starter motor is designed for select Yamaha YZF-R6 1999–2005, YZF-R6S 2003–2009, and FZ6 / FZ6 Fazer 2004–2009 applications when the original starter matches OEM 5EB-81890-00 or 5EB-81890-00-00. Please compare your original starter motor’s part number, gear count, rotation direction, body shape, mounting points, and electrical terminal before ordering.
Muss ich die OEM-Teilenummer verwenden?
Yes, matching the OEM or reference number is strongly recommended. This starter motor replaces Yamaha 5EB-81890-00 and 5EB-81890-00-00. However, OEM number alone is not enough. Please also confirm the gear count, rotation direction, mounting layout, shaft position, body dimensions, and terminal style.
Für welche Modelle oder Situationen passt dieser Teil nicht?
This part does not fit 2006+ standard Yamaha YZF-R6 models that use the later 2C0-81890-00-00 starter motor unless the original starter fully matches this 5EB version. It also does not fit FZ6R, R1, MT, XJ6, or other Yamaha motorcycles that use a different starter gear count, different rotation direction, different mounting holes, different terminal style, or different starter body.
Was sollte ich vor der Bestellung überprüfen?
Before ordering, please check your motorcycle’s make, model, year, market version, original starter motor OEM number, gear count, rotation direction, mounting hole layout, electrical terminal, shaft position, starter body dimensions, and available installation space. For best fitment, compare the product photos and specifications with your original starter motor before purchase.