Yamaha - Carburetor Repair Kit - Fuel System Service Kit - 6H1-W0093-10-00

Overview

If you’ve worked on Yamaha 90 horsepower two-strokes, you know these motors run strong—but the carburetors need attention over time to keep them that way. I’ve seen a lot of these engines come in with rough idle or hesitation, and most of the time it comes back to worn internal carb parts. The Yamaha Carburetor Repair Kit 6H1-W0093-10-00 is what brings those carbs back to life without replacing the whole unit. Once rebuilt properly, these engines usually settle right back into a smooth, dependable run.

Key Features

• Complete Carburetor Service Kit – Includes essential components needed for a full carburetor rebuild.

• Restores Smooth Engine Operation – Helps correct rough idle, hesitation, and uneven fuel delivery.

• Yamaha Engineered Fit – Designed to match original carburetor specifications for proper sealing and function.

• Fuel-Resistant Internal Materials – Built to handle gasoline exposure and repeated engine heat cycles.

• Proven Maintenance Solution – Commonly used to keep mid-range Yamaha two-stroke engines running reliably.

Engine & Boat Compatibility

• 75 HP
• 90 HP

FAQ

What are signs my carburetor needs rebuilding?
Rough idle, hard starting, hesitation, or fuel leaks are common signs.

Will I need to adjust the carburetor after installing this kit?
Yes, idle mixture and synchronization may need to be adjusted after installation.

Can sitting fuel cause issues with these carbs?
Absolutely. Old fuel can leave buildup inside the carburetor and affect performance.

Is this a common service item for these engines?
Yes, these kits are regularly used to maintain performance on carbureted Yamaha two-strokes.

Should I rebuild all carburetors at the same time?
It’s usually best to service all carbs together so the engine stays balanced and runs evenly.