Sea-Doo Starter Motor 800 787cc 8-Tooth Bendix GTX GSX XP RFI 278001936 18531
Sea-Doo Starter Motor 800 787cc 8-Tooth Bendix GTX GSX XP RFI 278001936 18531
SKU:410-52230
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Starter Motor Sea-Doo 800 8-Tooth Bendix
High-Torque Replacement for Rotax 787/800 Engines
This premium 12-volt starter motor is engineered specifically for Sea-Doo personal watercraft equipped with the 800 Series (787cc) Rotax engine. Unlike standard 9-tooth versions, this unit features an 8-tooth Bendix gear. This design modification provides a mechanical advantage, offering higher cranking torque to overcome the high compression of the 787cc engine, ensuring faster and more reliable starts even with a standard battery.
Key Features
- ✔ 8-Tooth Bendix: Increased torque for easier starting
- ✔ Direct Fit: No modifications required for 800 models
- ✔ Marine Sealed: Protects internal components from moisture
- ✔ High-Grade Brushes: Extended service life in demanding conditions
Technical Specs
| Voltage: | 12V |
| Rotation: | CCW (Counter-Clockwise) |
| Teeth Count: | 8-Tooth Bendix |
| Power: | 0.7 kW |
| Type: | PMDD |
Compatibility / Fitment Guide
| Model | Year Range | Engine |
|---|---|---|
| Sea-Doo GSX | 1996 - 1997 | 787cc / 800 |
| Sea-Doo GTX / GTX RFI | 1996 - 2002 | 787cc / 800 |
| Sea-Doo SPX | 1997 - 1999 | 787cc / 800 |
| Sea-Doo XP / XP Limited | 1995 - 1997 | 787cc / 800 |
| Sea-Doo Challenger 1800 | 1997 - 1999 | Twin 787cc |
| Sea-Doo Speedster | 1998 - 1999 | Twin 787cc |
OEM Cross Reference
| Sea-Doo: 278-001-497, 278-001-936 |
| Bombardier: 278001497, 278001936, 278000484 |
| Denso: 228000-6240, 228000-6241, 228000-6242 |
| J & N: 410-52230 | Lester: 18531 |
Questions & Answers
Is this a genuine original part?
This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for marine fitment and heavy-duty performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these, it is a guaranteed fit for the 787cc/800 engine.
Will this 8-tooth gear work if my original was 9-tooth?
Yes. Sea-Doo originally used 9-tooth starters but later switched to the 8-tooth design for many 800 series models to provide better starting torque. It is a direct "High Torque" upgrade for 9-tooth original applications.
Note: Please verify your original part number against the references above before purchasing. Domain: 4drive.co.uk
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