Carburetor Assembly – Fits Mercury 55-60 HP & Honda BF2/BF2.3 Outboards
This carburetor assembly is designed for specific Mercury Marine 55-60 HP 2-Stroke outboard engines (1999–2006) and Honda Marine BF2 2.0 HP & BF2.3 2.3 HP 4-Stroke outboards.
It serves as a direct replacement for multiple OEM part numbers, including Mercury 821854T4 and Honda series 16100-ZV1-A00, 16100-ZV1-A01, 16100-ZV1-A02, 16100-ZV1-A03, and 16100-ZV1-E02. It also replaces JLM Marine part AM821854T4.
-
Installation Type: Direct OEM Replacement
-
Compatible Fuel: Gasoline
-
Quality Standard: Manufactured in an ISO9002 certified facility to meet OEM specifications.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
Brand |
Part Number |
Mercury Marine |
821854T4 |
Honda Marine |
16100-ZV1-A00 |
Honda Marine |
16100-ZV1-A01 |
Honda Marine |
16100-ZV1-A02 |
Honda Marine |
16100-ZV1-A03 |
Honda Marine |
16100-ZV1-E02 |
JLM Marine |
AM821854T4 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
Confirm your engine model/year in the table below.
Mercury Marine
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
Mercury |
Outboard |
55 |
2-Stroke |
1999-2006 |
821854T4 |
Top carburetor in 3-carb configuration |
Mercury |
Outboard |
60 |
2-Stroke |
1999-2006 |
821854T4 |
Top carburetor in 3-carb configuration |
Honda Marine
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
Honda |
BF2 |
2.0 |
4-Stroke |
All years |
16100-ZV1-A00/A01/A02/A03/E02 |
Multiple part number revisions |
Honda |
BF2.3 |
2.3 |
4-Stroke |
All years |
16100-ZV1-A00/A01/A02/A03/E02 |
Multiple part number revisions |
Technical Specifications
Specification |
Value |
Product Type |
Carburetor Assembly |
Installation |
Direct OEM Replacement |
Fuel Type |
Gasoline |
Connection |
Multiple Ports - Engine Specific |
Housing Material |
Zinc Alloy (Die-Cast) |
Housing Color |
Silver/Metallic |
Fitting Type |
OEM Configuration |
Warranty |
Varies by manufacturer (JLM Marine offers warranty against defects) |
Other Technical Attributes |
Manufactured to OEM specifications in ISO9002 certified facility |
Package Contents
- 1 x Carburetor Assembly (Replaces 821854T4 or 16100-ZV1-A03)
Installation Guide
- Ensure the engine is off and cool. Disconnect the battery and fuel line.
- Carefully note the position of all linkages and fuel/vacuum hoses connected to the old carburetor. Taking photos is recommended.
- Disconnect the throttle linkage, choke linkage (if applicable), and all hoses from the carburetor.
- Remove the nuts or bolts securing the carburetor to the intake manifold.
- Remove the old carburetor and gasket. Clean the manifold mounting surface thoroughly.
- Install the new gasket and carburetor, ensuring a proper seal.
- Tighten the mounting nuts/bolts evenly to the manufacturer's recommended torque.
- Reconnect all linkages and hoses to their original positions on the new carburetor.
- Reconnect the fuel line and battery.
- Prime the fuel system and check for any leaks before starting the engine.
- Start the engine and adjust the idle speed and air/fuel mixture as needed, according to your engine's service manual.
- Double-check all connections for leaks once the engine has reached operating temperature.
Troubleshooting & FAQ
How do I confirm this fits my engine?
This carburetor is a dual-purpose part designed to fit specific models from both Mercury and Honda. Please verify your exact engine model and OEM part number against our compatibility tables to ensure a correct fit. For Mercury engines, this part (821854T4) replaces the top carburetor in the 3-carburetor configuration on specific 55/60 HP models.
My original Honda part number is 16100-ZV1-A02. Will this part work?
Yes, this part is a direct replacement for the entire Honda 16100-ZV1 series, including -A00, -A01, -A02, -A03, and -E02, which represent various component revisions for the BF2 and BF2.3 models.
What are common signs that my carburetor needs replacement?
Common signs of a failing carburetor include difficulty starting, rough idling, engine stalling, poor acceleration, black smoke from the exhaust, or fuel leaking from the carburetor body.
OEM vs. Aftermarket?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
-
Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
-
Fast Global Shipping: Free delivery worldwide in 5–15 days.
-
Direct from Manufacturer: Competitive pricing without compromising quality.