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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

Regular price £149.99 GBP
Regular price Sale price £149.99 GBP
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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.

DIRECT FIT / KEY SELLING POINT: This starter motor is a precise, plug-and-play replacement, cross-referencing OEM part number 50-90983A1, for hassle-free installation and dependable operation.

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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Shipping calculated at checkout. Free shipping over £150. Terms apply