Starter Motor Mercury Mariner 6-25 HP 2-Stroke Outboard Replaces 50-90983A1
Starter Motor Mercury Mariner 6-25 HP 2-Stroke Outboard Replaces 50-90983A1
SKU:5724N
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Premium Marine Starter Motor
Direct Replacement for Mercury Mariner 6-25 HP 2-Stroke Outboards
Restore reliable starting to your Mercury or Mariner 2-stroke outboard engine with our high-quality aftermarket starter motor. Engineered to meet or exceed OEM specifications, this starter is a perfect fit for a wide range of 6-25 HP models, ensuring seamless integration and optimal performance on the water.
Designed for durability and consistent power, our starter motor features robust construction to withstand harsh marine environments. Say goodbye to frustrating starting issues and experience quick, dependable ignition every time you hit the key, allowing you more time enjoying your boating adventures.
Key Features
- ✔ OEM-Grade Quality: Manufactured to strict quality standards for reliable performance and long lifespan.
- ✔ Corrosion Resistant: Built with robust materials to endure the demanding marine environment.
- ✔ SAE J1171 Certified: Marine Ignition Protection certified for enhanced safety.
- ✔ Optimal Performance: Ensures strong cranking power for quick engine starts.
Technical Specs
| Voltage: | 12 Volts |
| Number of Teeth: | 10-Tooth Pinion |
| Rotation: | Counter-Clockwise (CCW) |
| Starter Type: | PMDD (Permanent Magnet Direct Drive) |
| Gear OD: | 0.945in / 24mm |
| Mounting Holes: | 2 x 8mm Unthreaded |
| Field Case Length: | 4" / 101.6mm |
| Engine Compatibility: | 2-Stroke, 6-25 HP |
| Note: Some references list a rated power of 0.0001 kW, which appears unusually low. Please confirm typical marine starter power if this is a critical specification. | |
Vehicle Fitment Guide
| Make | Model | Year Range |
|---|---|---|
| Mercury | 8HP | 1986-1994 |
| Mercury | 9.9HP (E, EH, EL, ELRC) | 1986-2001 |
| Mercury | 15EH/EL/ELH | 1988-2002 |
| Mercury | 18E/EL | 1980-1984 |
| Mercury | 20E/EH/EL | 1984-1998 |
| Mercury | 25E/EH/EL/ELH | 1980-2005 |
| Mariner | 8HP | 1986-1994 |
| Mariner | 9.9HP (E, EH, EL, ELRC) | 1987-2000 |
| Mariner | 15EH/EL/ELH | 1992-2001 |
| Mariner | 20E/EH/EL | 1984-1998 |
| Mariner | 25E/EH/EL/ELH | 1985-2001 |
OEM Part Number Cross Reference
| Mercury Marine | 50-893889T, 50-8M0033984, 50-90983A, 50-90983A1, 50-90983T1 |
| ARCO Marine | 5367 |
| Cargo | 112247 |
| Johnson Electric | 5216040 |
| Prestolite Electric | 20513524TBA |
| REMY | RS41033 |
| Sierra Marine | 18-5611, 18-5639 |
| API Marine | MOT3000 |
| Arrowhead | 410-21024, SAB0053 |
| Lester | 5724 |
| United Technologies | 5216040-M025SM, 5216040-M030SM, SM20521, SM52160 |
| DB Electrical | 410-21024 |
Frequently Asked Questions
How do I know if my outboard starter motor is failing?
Common signs include a grinding noise, slow cranking, intermittent starting, or no response when turning the key. Sometimes the starter engages the flywheel but quickly drops down.
Is this starter motor difficult to install?
While installation involves working with electrical components, it's generally considered a straightforward replacement for those with basic mechanical knowledge. Always disconnect the battery before beginning work. We recommend consulting a service manual or professional if you are unsure.
Why is it important to check OEM numbers for fitment?
Comparing the OEM part number on your existing starter motor to our cross-reference list is the most accurate way to ensure perfect compatibility. Outboard models can have variations, and matching the OEM number guarantees you get the correct part.
What makes this starter suitable for marine use?
Our starter motor is designed with marine-grade components, featuring corrosion-resistant finishes and adherence to standards like SAE J1171 for marine ignition protection, making it safe and durable for saltwater and freshwater environments.
Note: Please verify your bike's model and year before purchasing.
Fast shipping available across the UK and Europe.
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