Mercury – Engine Starter | Yamaha Compatible Gear Reduction | 8M6007430

Overview

When you’re running a 250 horsepower Yamaha, you expect every start to feel confident and immediate—no hesitation, no surprises. That first turn of the key sets the tone for the whole day, whether you’re easing out at sunrise or pushing hard toward clean offshore water. The Quicksilver 8M6007430 Starter is built for boaters who depend on that reliability. It brings a steady, reassuring sense of readiness that keeps you focused on the water ahead, not worrying about what’s happening under the cowling.

Key Features

• Designed for 250 horsepower Yamaha outboards (2003–2008)
• Permanent magnet gear reduction starter for smooth, powerful engagement
• Counter-clockwise rotation, 12-volt system, 13-tooth drive
• Built with high-temperature epoxy armatures for corrosion protection
• Heavy-duty needle bearings and copper bushings for long service life
• Meets Marine SAE J1171 safety certification

Engine & Boat Compatibility

This Mercury Marine part is compatible with:

• Yamaha 250 horsepower outboards (2003–2008)
• Offshore center consoles
• Freshwater multispecies boats
• Heavy inshore rigs that demand strong, repeatable starts
• Boats running long days, big tides, or frequent stop-and-go cycles

If your engine falls in this range, this starter is engineered specifically for it.

Performance & Practical Benefits

A strong starter sounds simple—until you’ve experienced one that isn’t up to the task. With the 8M6007430, the engagement feels tight and clean, giving the engine the torque it needs to fire quickly, even after long hours on anchor or a cold morning at the ramp. The gear reduction design delivers consistent power without strain, while the permanent magnet construction adds efficiency and reliability you can feel.

Durability is a major part of the story here. Salt, vibration, heat—starters see it all. This one is built with marine-grade protection from the inside out, shielding wires from moisture and keeping components stable under heavy use. That means fewer worries, fewer delays, and more days that start exactly the way they should.

Installation is straightforward, fitment is precise, and once it’s on, you can expect thousands of confident starts without thinking twice.

Why Buy OEM

Choosing an original Mercury Marine part comes down to trust—trust in materials, engineering, and long-term value.

• Built exactly to Yamaha engine requirements
• Longer lifespan compared to generic alternatives
• Designed to withstand harsh marine conditions
• Provides consistent performance day after day
• Saves time and frustration with perfect fitment

For critical components like starters, OEM parts simply make the most sense.

FAQ

Q1: Which engines does the 8M6007430 fit?

It fits 250 horsepower Yamaha outboards manufactured from 2003 to 2008.

Q2: What makes this starter better than aftermarket versions?

It’s engineered to match Yamaha’s exact specifications and built with corrosion-resistant materials designed specifically for marine use.

Q3: How do I know if it’s the right replacement?

Check your model year and engine horsepower—if it matches the range above, this is the correct starter.

Q4: Can it be used in saltwater and freshwater?

Yes. It’s designed to handle both environments without premature wear.

Q5: Is installation simple for most owners?

Most boaters with basic mechanical experience can install it, but a technician can also handle it quickly.