Mercury – Air Injector Assembly | OptiMax TwoStroke Series | Marine-Grade Precision | 8M6001744

Overview

Every boater knows that an engine only feels as good as the air and fuel it breathes. When your Mercury OptiMax is running right, there’s a crispness to the throttle and a smooth surge of power that lets you settle in and enjoy the ride. The Mercury Air Injector Assembly 8M6001744 helps keep that feeling alive. It restores the clean, efficient air delivery these high-performance two-stroke engines rely on, giving you the confidence that when you lean into the throttle, the engine will answer with strength and precision. Whether you’re pushing upriver, running across open water, or towing a skier through tight turns, this part keeps your powerhead breathing the way Mercury designed it to.

Key Features

• OEM air injector assembly with O-Rings installed for a ready-to-mount fit
• Designed for OptiMax 75–300 horsepower TwoStroke engines across multiple displacements
• Marine-tested materials ensure long-term durability in vibration-heavy environments
• Built to maintain precise air delivery for clean combustion and efficient firing
• Engineered for compatibility with Jet Drive, SportJet, XS, and Pro XS applications
• Meets strict Mercury Marine original equipment standards for performance and reliability

Engine & Boat Compatibility

This Mercury Marine part fits:

• 1.5L OptiMax 75–125hp TwoStroke (1B227000–2B535624)
• 2.5L 200–300hp XS & Pro XS OptiMax TwoStroke (1E000797–1E053876)
• 3.0L 200–300hp XS & Pro XS OptiMax TwoStroke (1B426561–2B535571)
• 200 DFI Jet Drive (1B321662 and up)
• Jet-Powered 3.0L DFI (0T997974 and up)
• Common on bass boats, performance skiffs, offshore outboards, jet boats, and multi-species rigs that need consistent throttle response

Performance & Practical Benefits

Replacing a worn or failing air injector often transforms how your engine behaves. With the 8M6001744 installed, you’ll feel:

• Smoother firing and steadier idle, especially after long idle zones or cold starts
• Tighter throttle response, with cleaner combustion and fewer stumbles under load
• Improved fuel efficiency and more controlled burn cycles
• A secure, leak-free fit thanks to factory-installed O-Rings
• Long-term reliability from materials that resist corrosion, moisture, and heat cycling

On the water, these details matter. A strong, predictable combustion pulse keeps your ride smooth, your acceleration clean, and your peace of mind intact from dock to destination.

Why Buy OEM

If you’ve run Mercury engines for any amount of time, you already know why OEM matters:

• Mercury engineers design these injectors for precise airflow and timing unique to OptiMax systems
• Aftermarket substitutes rarely match factory tolerances — and even tiny differences can affect performance
• OEM parts last longer, protect surrounding components, and help avoid costly misfires or injector failures
• Installation is straightforward, with proper seating and the correct O-Ring compression every time
• You get the confidence of a part that’s been tested under real-world marine loads, not just bench simulations

When reliability and consistent power delivery are on the line, OEM is the only choice that makes sense.

FAQ Section

Q1: Which engines does the 8M6001744 Air Injector Assembly fit?

It fits Mercury and Mariner OptiMax and DFI engines ranging from 75hp to 300hp across 1.5L, 2.5L, and 3.0L platforms, including Jet Drive applications.

Q2: What sets this part apart from aftermarket injectors?

OEM injectors deliver tighter tolerances, correct airflow calibration, and long-term durability that aftermarket versions struggle to match.

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

Match your engine’s horsepower, displacement, and serial range with the listed compatibility or check your service manual.

Q4: Is it suitable for both saltwater and freshwater?

Yes — the materials are tested for corrosion resistance in harsh marine conditions.

Q5: Is installation easy for most boat owners?

Generally, yes. With basic tools and your service manual, most owners can replace the injector safely.