Carburetor Gasket – Fits Yamaha 9.9/15 HP Outboards (Replaces 6E7-14227-00-00)

Product Details

This aftermarket Carburetor Gasket provides a reliable seal for the mixing cover on Yamaha 9.9 HP and 15 HP 2-Stroke outboard motors manufactured between 1984 and 1995. It's engineered to meet or exceed original equipment specifications, ensuring a proper fit and preventing fuel leaks.

This part is a direct replacement for Yamaha P/N 6E7-14227-00-00 and interchanges with Sierra P/N 18-99144 and Mercury/Mariner P/N 27-98993T/98993M.

• Installation is a direct, OEM-compatible replacement.
• Designed for use in gasoline-fueled marine environments.
• This component functions as the mixing cover gasket.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Yamaha engines, this gasket fits a wide range of 9.9 HP and 15 HP 2-stroke models from 1984 through 1995. Please verify your specific model and year.

For Mercury/Mariner engines, this part is provided as a cross-reference only. Confirm fitment against your engine's service manual before purchasing.

Technical Specs

Product Type

Carburetor Gasket

Installation

OEM-compatible direct replacement

Fuel Type

Gasoline

Material

Engineered Gasket Material

Dimensions

4.0" x 5.0" x 0.16"

Warranty

1-year (Peach Motor Parts)

Other Technical Attributes

Mixing cover gasket

What’s in the Box

• 1 x Gasket (Replaces OEM 6E7-14227-00-00)

Installation Notes

1. Ensure the engine is off and cool. Disconnect the battery and shut off the fuel supply.
2. Carefully remove the engine cowling and air silencer to access the carburetor.
3. Disconnect fuel lines and linkages from the carburetor, noting their positions for reassembly.
4. Unbolt and remove the carburetor from the intake manifold.
5. Remove the screws holding the carburetor's mixing chamber cover, then remove the cover and old gasket.
6. Thoroughly clean the mating surfaces of the carburetor body and the cover. Ensure they are free of old gasket material, grease, and debris.
7. Place the new gasket into position, ensuring all holes align correctly.
8. Reinstall the mixing chamber cover and tighten the screws in a crisscross pattern to the manufacturer's recommended torque.
9. Reinstall the carburetor onto the engine, reconnecting all fuel lines and linkages.
10. Turn the fuel supply back on, reconnect the battery, and check for any leaks before starting the engine.

Troubleshooting & FAQ

Safety & Important Info

• Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
• This is an aftermarket replacement, not an OEM component.
• Professional installation is recommended for safety and performance.

About Sea Sierra

• Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
• Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
• Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.