Mercury – Weber 4-Barrel Carburetor Repair Kit | Carburetion System | Premium Composite & Metal Components | 8M0120192

Overview

If you’ve ever had an older MerCruiser stumble or hesitate coming out of the hole, you know the feeling—it tugs at your gut a little. Boats from the late eighties and nineties have real soul, but they only run their best when the carburetor is clean, tight, and tuned the way it was meant to be. That’s why so many boaters trust the Quicksilver 8M0120192 Weber 4-Barrel Carburetor Repair Kit. It brings your carb back to life, restores smooth throttle response, and gives you that comforting sense that your engine is breathing the way it should.

There’s something satisfying about opening up the carb, replacing worn parts, and putting everything back together knowing it’s right. You feel closer to the boat. More connected. This kit helps make that happen—with parts that fit, seal, and perform the way your MerCruiser expects.

Key Features

• Complete repair kit designed for Weber 4-barrel carburetors (9661 and 9770 models).
• Includes gaskets, accelerator pump, inlet needle, seat, and linkage components.
• Built to meet or exceed original Mercury Marine specifications.
• Designed for thorough cleaning, servicing, and full carburetor rebuilds.
• Durable materials hold up to marine fuel and real-world operating conditions.

Engine & Boat Compatibility

• Fits 1987–1996 MerCruiser sterndrive engines equipped with Weber 4-barrel carburetors.
• Compatible with 350 Mag and 5.7L inboard and Tow Sport inboard models.
• Common on runabouts, ski boats, wake boats, older cruisers, and classic performance hulls from the era.
• Works with both pleasure-use and heavy-load tow sport applications.

Performance & Practical Benefits

A proper carb rebuild can change the entire personality of your engine. With fresh seals and a responsive accelerator pump, you’ll notice a smoother idle, cleaner acceleration, and a tighter, more predictable feel when you roll the throttle forward. The right inlet needle and seat make a real difference too—fuel flow stays steady, and you avoid the flooding or starving that can turn a fun afternoon into troubleshooting at the dock.

The kit’s gaskets fit securely, creating tight sealing surfaces that help your carb run efficiently. Every component is designed to withstand marine fuel blends and heat cycles, so you’ll get long service life and consistent performance. Best of all, everything you need is in one package. No mismatched parts. No hunting through bins to get your boat back on the water.

Why Buy OEM

When you’re rebuilding something as precise as a Weber carburetor, the quality of your parts matters. This Mercury Marine part:

• Ensures correct fit and proper sealing without modification.
• Gives you long-term reliability that cheaper aftermarket options rarely match.
• Helps restore factory-level performance with fewer tuning headaches.
• Saves time by bundling all essential components in one trusted kit.

If you want your engine to run the way it did when it was new, OEM is the straightforward, smart choice.

FAQ

Q1: Which engines does the 8M0120192 carburetor repair kit fit?

It fits 1987–1996 MerCruiser 350 Mag and 5.7L engines using Weber 9661 or 9770 carburetors.

Q2: What makes this different from aftermarket repair kits?

The parts meet Mercury Marine specifications, ensuring proper fitment, reliable sealing, and long-term durability.

Q3: How do I confirm this is the right kit for my setup?

Check your carburetor model number and compare it to the 9661 or 9770 Weber units listed in your manual.

Q4: Can this kit be used on boats run in both saltwater and freshwater?

Absolutely. The components are designed for modern marine environments and fuel blends.

Q5: Is installation simple enough for most boat owners?

If you’re comfortable working on carburetors, yes. Otherwise, a technician can complete the rebuild quickly.