Mercury – Quicksilver Engine Starter | Yamaha 50–60 HP Series | Epoxy-Coated Construction | 8M6007428

Overview.

There is nothing quite like that moment when you turn the key and the engine springs to life without a hint of struggle. It brings a kind of peace only boaters truly understand the quiet confidence that your gear will not fail you whether you are twenty miles offshore or easing back toward the dock after a long day. That trust is what keeps me choosing genuine Mercury Marine parts. The Mercury Marine part with part number 8M6007428 delivers that same dependable, comforting response every time your hand reaches for the ignition.

Key Features

• Twelve-volt engine starter for select Yamaha fifty to sixty horsepower outboards
• Permanent magnet direct-drive system for strong, reliable crank performance
• High temperature epoxy armatures protect wiring and resist long-term corrosion
• Nine-tooth gear with counter-clockwise rotation for proper engagement
• Internal components designed with ninety-ten copper bushings or heavy-duty needle bearings
• Meets rigorous Marine SAE J1171 certification standards
• Replaces original Hitachi and Yamaha starters, including Yamaha 69W-81800-00-00

Engine & Boat Compatibility

• Designed for Yamaha fifty to sixty horsepower outboard engines
• Ideal for mid-sized fishing boats, aluminum skiffs, runabouts, bay boats, and light pontoons
• Suited for both recreational and light-duty commercial use
• Compatible with outboard platforms requiring a twelve-volt, nine-tooth, counter-clockwise rotation starter

Performance & Practical Benefits

You feel the quality the moment this starter engages. The crank is tight, smooth, and steady, giving your engine the strong initial push it needs to fire confidently every time. There is no hesitation, no uneven motion just clean, reliable performance that makes every start feel effortless. The precise fitment makes installation straightforward and secure, reducing the frustration that often comes with off-brand parts.

Its epoxy-coated armatures help guard against moisture, heat, and corrosion, which is essential for boats stored outdoors or used in harsh climates. The copper bushings and reinforced bearings keep internal movement balanced and controlled, extending the life of the starter while maintaining smooth engagement. This is a part built to thrive through years of salt spray, heavy vibration, and long days on the water without losing strength or consistency.

Why Buy OEM

When reliability matters—and on the water it always does—choosing a genuine Mercury Marine part is simply the smart move. This starter is engineered to the exact specifications of the engines it supports, delivering the correct torque, alignment, and long-term durability your outboard needs. Aftermarket versions may promise compatibility, but they rarely match the build quality, corrosion resistance, or proven longevity of an OEM component. With part number 8M6007428, you are investing in dependable performance, easier upkeep, and peace of mind every time you turn the key.

FAQ

Q1: Which engines does the Engine Starter part number 8M6007428 fit?

It fits Yamaha outboards in the fifty to sixty horsepower range.

Q2: What makes this starter better than aftermarket alternatives?

Its epoxy-coated internals, strong permanent magnet design, and durable bearings provide more torque, better protection, and longer life.

Q3: How can I confirm this is the correct replacement?

Match your engine model and specifications with your owner or service manual to ensure proper fit.

Q4: Is this part suitable for both saltwater and freshwater use?

Yes. Its corrosion-resistant materials and epoxy armatures make it reliable in both environments.

Q5: Is installation simple for most boat owners?

Most owners find installation easy thanks to its accurate OEM fit and secure mounting design.