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Starter Motor Mercury Mariner 50-814980M Yamaha 6J4-81800 Marine Outboard 12V 11T

Starter Motor Mercury Mariner 50-814980M Yamaha 6J4-81800 Marine Outboard 12V 11T

SKU:18310Na

Regular price £89.00 GBP
Regular price £199.00 GBP Sale price £89.00 GBP
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Marine Outboard Starter Motor

Reliable Starting for Mercury/Mariner 40HP & Yamaha 30-50HP 2-Stroke Engines

Ensure your marine adventures start smoothly every time with our high-quality aftermarket starter motor, specifically designed for a range of Mercury/Mariner and Yamaha outboard engines. This robust unit is engineered to deliver dependable cranking power, replacing your worn or faulty original equipment with precision and reliability.

Crafted from durable materials and meeting rigorous marine-grade standards, this starter motor offers excellent performance in demanding saltwater environments. It's an essential component for maintaining the peak operational efficiency of your boat's engine, getting you back on the water with confidence.

DIRECT FIT / KEY SELLING POINT: Seamlessly replaces OEM parts 50-814980M (Mercury/Mariner) and 6J4-81800 (Yamaha) for hassle-free installation and immediate performance.

Key Features

  • High-Quality Aftermarket: Manufactured by PRO-TORQUE to strict marine-grade standards.
  • Direct OEM Replacement: Fully compatible and interchangeable with specified OEM parts for easy installation.
  • Corrosion Resistant: Epoxy powder-coated for maximum protection against harsh marine environments.
  • Enhanced Durability: Features upgraded steel shafts and a permanent magnet direct drive (PMDD) design for long cycle life.

Technical Specs

Voltage: 12V
Rated Power: 0.6 kW (approx. 0.8 hp)
Rotation: Counter-Clockwise (CCW)
Number of Teeth: 11-Tooth Drive Gear
Starter Type: PMDD (Permanent Magnet Direct Drive)

Vehicle Fitment Guide

Make Model / HP Year Range
Mercury / Mariner 40HP (Twin Carb, 2-Stroke) 1986 - 1992
Yamaha Outboard 30HP (2-Stroke) 1987 & Up
Yamaha Outboard 40-50HP (2-Stroke) 1989 & Up

OEM Part Number Cross Reference

Mercury / Mariner 50-814980M, 50-96359M, 50-97693M
Yamaha 6J4-81800-01, 6J4-81800-00, 6H3-81800-10, 6H3-81800-11, 6F5-81800-10, 6F5-81800-11
Hitachi S108-87A, S108-80, S108-80A, S108-80B, S108-80BN
ARCO Marine 3423
Sierra Marine 18-6421
Quicksilver 50-8M6007416

Frequently Asked Questions

What are the signs of a failing marine starter motor?

Common symptoms include a clicking noise when turning the key, slow cranking, grinding noises, or the starter spinning without engaging the engine's flywheel. These often indicate issues with the solenoid, Bendix gear, or internal motor components.

How can I verify this starter motor is compatible with my engine?

The most accurate way is to cross-reference the OEM part number from your original starter with the 'OEM Part Number Cross Reference' list provided. Also, confirm your engine's make, model, HP, and year fall within the 'Vehicle Fitment Guide'.

Is this an original OEM part?

No, this is a high-quality aftermarket replacement part manufactured to meet or exceed OEM specifications. It provides equivalent performance and is fully interchangeable with the original equipment.

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