Yamaha - Carburetor Assembly 2 - Fuel Delivery System - 64J-14902-01-00

Overview

On multi-carb Yamaha setups, each carb has to pull its weight or the whole motor feels off. I’ve worked on plenty where one weak carb caused rough idle or uneven throttle, and replacing it made a night-and-day difference. This assembly gets fuel delivery back in line so everything runs smooth again. It’s the kind of fix you notice right away when the motor settles into a clean idle and responds the way it should.

Key Features

• Complete Carburetor Assembly – Includes all internal components for a full replacement solution.
• Factory-Calibrated Fuel Delivery – Provides proper air-fuel mixture right out of the box.
• Improved Throttle Response – Helps eliminate hesitation and uneven acceleration.
• Durable Marine Construction – Built to handle fuel exposure and harsh operating conditions.

Engine & Boat Compatibility

Fits Yamaha outboard engines equipped with multi-carburetor fuel systems requiring a secondary carburetor assembly. Commonly used on mid-range horsepower outboards across fishing boats, center consoles, and recreational vessels.

FAQ

Q: What are signs this carburetor needs replacing?
A: Rough idle, hesitation, fuel leaks, or uneven engine performance are common signs.

Q: Do I need to sync this carburetor after installation?
A: Yes, syncing is important to keep all carburetors working evenly together.

Q: Can I replace just one carburetor or should I replace all?
A: You can replace one, but matching condition across all carbs helps maintain smooth performance.

Q: How does old fuel impact this part?
A: Old fuel can clog passages and cause poor fuel delivery or sticking components.

Q: Is installation something I can do myself?
A: It’s doable if you’re comfortable with fuel systems and linkages, just take your time with setup.