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Starter Motor Mercury Mariner 225 250 HP 50-818445 2 Stroke Outboard New

Starter Motor Mercury Mariner 225 250 HP 50-818445 2 Stroke Outboard New

SKU:5737N

Regular price £165.00 GBP
Regular price £235.00 GBP Sale price £165.00 GBP
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Premium Starter Motor for Mercury Mariner

Direct Replacement for 225-250 HP 2-Stroke Outboards (1993-2000)

Ensure reliable starts for your marine adventures with this high-performance aftermarket starter motor, specifically designed for Mercury and Mariner 225-250 HP 2-stroke outboard engines. This essential component is engineered to meet or exceed OEM specifications, providing dependable ignition power even in challenging marine environments.

Crafted from durable, marine-grade materials, our starter motor offers a robust solution for worn or failing original units. It's a perfect fit for a wide range of models manufactured between 1993 and 2000, ensuring a smooth and hassle-free installation process and getting you back on the water quickly.

DIRECT FIT / KEY SELLING POINT: Engineered for precise fitment and optimal performance, replacing OEM part 50-818445 seamlessly.

Key Features

  • High Reliability: Constructed with robust components for long-lasting performance.
  • Exact OEM Match: Designed to meet or exceed original equipment manufacturer specifications for perfect compatibility.
  • Marine-Grade Durability: Built to withstand the corrosive effects of marine environments.
  • Efficient Power Delivery: Provides strong, consistent cranking power for quick engine starts.
  • Easy Installation: Direct bolt-on replacement requires no modifications.

Technical Specs

Voltage: 12 Volt
Rotation: Counter-Clockwise (CCW)
Teeth on Drive: 8 Teeth
Starter Type: PMDD (Permanent Magnet Gear Reduction Drive)
Gear OD: 25mm / 0.984in
Mounting Ear Holes: 8.0mm ID Unthreaded
Field Housing Length: 148mm / 5.82"

Vehicle Fitment Guide

Make Model (HP / CI) Year Range
Mariner Marine 225 CXL, CXXL, L, L EFI (3.0L / 185CI) 1993 - 2000
Mariner Marine 250 HP EFI (3.0L / 185CI) 1995 - 2000
Mercury Marine 225 HP (3.0L / 185CI) 1994 - 2000
Mercury Marine 250 HP (3.0L / 185CI) 1995 - 2000
Mercury Marine 200 CXL EFI, L Magnum EFI, XL EFI (2.5L / 153CI) 2000
Mercury Marine 300 HP Promax Racing 1998 - 2000

OEM Part Number Cross Reference

Mercury Marine 50-818445, 50-818445-2, 50-818445-3, 50-818445-5
API Marine MOT3011
ARCO Marine 5395
Sierra Marine 18-5620
United Technologies 5275640-M030SM, 5275640MO30SM, 5672740-M030SM, 5672740MO30SM, SM52756, SM56727

Frequently Asked Questions

What are the common signs of a failing starter motor in a marine engine?

Common signs include a slow cranking engine, clicking noises when attempting to start, grinding sounds, or no response at all when the key is turned. These issues often indicate internal wear or electrical problems with the starter motor.

Is this starter motor a direct replacement for my original Mercury Mariner part?

Yes, this aftermarket starter motor is specifically engineered as a direct replacement for Mercury and Mariner 225-250 HP 2-stroke outboards that use the OEM part numbers listed, including 50-818445. Please cross-reference your existing part number for guaranteed fitment.

What does 'PMDD' mean in the technical specifications?

PMDD stands for Permanent Magnet Gear Reduction Drive. This design uses permanent magnets in the field housing and a gear reduction system to provide higher torque with a smaller, more efficient motor, making it ideal for marine starter applications.

Note: Please verify your bike's model and year before purchasing.
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Shipping calculated at checkout. Free shipping over £150. Terms apply