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9-Tooth Starter Motor for Yamaha Majesty 250 X-Max 250 4HC-81890-00
9-Tooth Starter Motor for Yamaha Majesty 250 X-Max 250 4HC-81890-00
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Product Overview
Replace a worn, weak, noisy, or failed starter motor with this 9-tooth electric starter motor, designed for select Yamaha Majesty 250, YP250, X-Max 250, and MBK Skyliner 250 scooter applications.
The starter motor helps crank the engine when the electric start button is pressed. A failing starter motor may cause slow cranking, clicking, no-crank problems, intermittent starting, grinding noise, or failure to start even when the battery is fully charged.
This replacement starter motor features a 9-tooth gear and CW rotation based on supplied product data. Please compare your original starter motor’s tooth count, rotation direction, mounting points, electrical terminal, body shape, gear position, and OEM number before ordering.
Product Compatibility
| Make | Model | Year Range | OEM / Reference Number | Fitment Notes |
|---|---|---|---|---|
| Yamaha | Majesty 250 / YP250 | Select 1996–2003 applications | 4HC-81890-00 / 4HC-81890-00-00 | Main fitment; confirm original starter gear and body shape |
| Yamaha | Majesty 250 ABS / YP250A | Select 2000–2003 applications | 4HC-81890-00 / related references | Verify 9-tooth gear, terminal, and mounting layout |
| Yamaha | X-Max 250 / XMAX 250 / YP250R | 2005–2013 | 4HC-81890-00 / 1B7-81890-00 | Main X-Max fitment; compare original starter before ordering |
| Yamaha | X-Max 250 ABS / Sport / Business / Momodesign | Select 2011–2013 applications | 4HC-81890-00 / 1SD-H1800-00 | Match by OEM number and original starter shape |
| MBK | Skyliner 250 | Select 1997–2009 applications | 4HC-81890-00 / related references | Common related fitment; confirm starter body and terminal |
| Yamaha | CP250 Maxam / Morphous 250 | Select applications | 1B7-81890-00 / related references | Possible related fitment only if original starter matches |
| Yamaha | YP400 Majesty / X-Max 400 | Select applications | 1B7-81890-00 / 1SD-H1800-00 | Related platform fitment; verify carefully before purchase |
Important Fitment Note:
This part is not selected by scooter name alone. Yamaha Majesty, YP250, X-Max 250, MBK Skyliner, CP250, and YP400 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 the listed OEM/reference number, 9-tooth gear, CW rotation, and overall shape before ordering.
Specifications
| Specification | Details |
| Product Type | Electric Starter Motor |
| Compatible Brand | Yamaha / MBK |
| Main Compatible Models | Yamaha Majesty 250, YP250, X-Max 250, MBK Skyliner 250 |
| Tooth Count | 9 Teeth |
| Rotation Direction | CW, based on supplied product data |
| Main OEM Reference | 4HC-81890-00 / 4HC-81890-00-00 |
| Related Reference | 1B7-81890-00 / 1B7-81890-00-00 |
| Additional Related Reference | 1SD-H1800-00, verify before purchase |
| Supplier-Listed Reference | 1781457, verify carefully |
| Common Vehicle Type | Scooter / Maxi Scooter |
| Application | Electric Starting System |
| Fitment Type | Replacement, match by OEM number, tooth count, rotation, and mounting style |
Key Features
- 9-tooth electric starter motor for select Yamaha and MBK scooter applications
- Designed for matching Majesty 250, YP250, X-Max 250, and Skyliner 250 starter systems
- Replaces common Yamaha starter motor reference 4HC-81890-00 / 4HC-81890-00-00
- Helps restore electric start function when the original starter motor is weak, worn, noisy, or failed
- Precision-built replacement style supports stable cranking performance
- Durable starter motor construction for long service life under normal use
- Direct replacement style, but original gear count, rotation direction, terminal type, and mounting layout must be checked before installation
OEM Cross Reference
| OEM / Reference Number | Notes |
| 4HC-81890-00 | Main Yamaha starter motor reference |
| 4HC8189000 | Compact format of 4HC-81890-00 |
| 4HC-81890-00-00 | Full Yamaha OEM format |
| 4HC818900000 | Compact format of 4HC-81890-00-00 |
| 1B7-81890-00 | Common related Yamaha starter motor reference |
| 1B78189000 | Compact format of 1B7-81890-00 |
| 1B7-81890-00-00 | Full Yamaha OEM format |
| 1B7818900000 | Compact format of 1B7-81890-00-00 |
| 1SD-H1800-00 | Related starter reference on some X-Max / Majesty listings; verify before purchase |
| 1SDH180000 | Compact format of 1SD-H1800-00 |
| 1781457 | Supplier-listed reference; not a standard Yamaha OEM format, verify carefully |
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, or body shape, this part may not fit.
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FAQ sur l'ajustement
Cette pièce conviendra-t-elle à mon modèle et à mon année spécifiques ?
This starter motor is designed for select Yamaha Majesty 250, YP250, X-Max 250, MBK Skyliner 250, and related scooter applications when the original starter matches the listed OEM references and 9-tooth CW design. Please compare your original starter motor’s part number, tooth count, rotation direction, body shape, mounting points, and electrical terminal before ordering.
Dois-je correspondre au numéro de pièce OEM ?
Yes, matching the OEM or reference number is strongly recommended. This starter motor replaces common Yamaha references including 4HC-81890-00 and 4HC-81890-00-00, with related references such as 1B7-81890-00 and 1SD-H1800-00 on some applications. However, OEM number alone is not enough. Please also confirm the 9-tooth gear, CW rotation, mounting layout, shaft position, and terminal style.
À quels modèles ou situations cette pièce ne convient-elle pas ?
This part does not fit Yamaha Majesty, X-Max, Skyliner, CP250, YP400, Honda, Kymco, GY6, or other scooter models that use a different starter gear count, different rotation direction, different shaft length, different mounting holes, different terminal style, or different starter body. It is also not a replacement for the battery, starter relay, starter clutch, stator, ignition coil, CDI / ECU, or complete engine kit.
Que dois-je vérifier avant de commander ?
Before ordering, please check your scooter’s make, model, year, engine code if available, original starter motor OEM number, tooth count, rotation direction, mounting hole layout, electrical terminal, shaft position, starter body shape, and available installation space. For best fitment, compare the product photos and specifications with your original starter motor before purchase.