The Honda 16100-ZCN-WF1 is a genuine OEM Carburetor Assembly (BK05T A) designed for GX630, GX660, and GX690 horizontal shaft engines. As a direct Honda OEM component, this carburetor is built to the exact specifications of the original unit it replaces, ensuring correct jetting, fuel metering, and air-fuel mixture calibration right out of the box. Confirm your engine's serial number against the fitment table before ordering — Honda supersedes carburetor part numbers at serial breaks, and verifying compatibility will save you time. This assembly is the BK05T A variant; match that designation to your own unit to make sure you're ordering the correct configuration.
Key Features
- Correct Jetting and Fuel Metering — as a genuine Honda OEM carburetor, this assembly carries factory-calibrated jets and metering circuits specific to the BK05T A configuration, not a generic approximation
- Exact-Match Replacement — engineered to the same tolerances as the original carburetor, this part installs directly into GX630, GX660, and GX690 horizontal shaft engines without rework or adaptation
- Variant Identification — the BK05T A designation is part-specific; if multiple carburetor listings appear for your engine, match this code to your own unit's carburetor specification before purchasing
- Serial Number Verification Recommended — Honda updates carburetor part numbers at defined production breaks on the GX630, GX660, and GX690 series; check your engine's serial number against the compatibility table to confirm this is the right assembly for your build
- Restored Engine Performance — a carburetor in good condition maintains the correct air-fuel ratio across the engine's operating range; a worn or failing unit causes hard starting, rough idle, fuel flooding, or loss of power under load
The carburetor is responsible for mixing air and fuel in the precise ratio the engine needs to start, idle, and run under load. On large-displacement horizontal shaft engines like the GX630, GX660, and GX690, the carburetor must deliver consistent fuel metering across a wide throttle range — any degradation in needle position, jet sizing, or float level directly affects how the engine responds to demand. When a carburetor wears out or becomes clogged with varnish from stale fuel, symptoms include difficult cold starts, an unstable idle, black smoke, fuel leaking from the overflow, or a noticeable loss of power. Replacing the assembly with a correct OEM unit restores the original fuel delivery characteristics and brings the engine back to proper operating condition.
Part Details
| Part Number | 16100-ZCN-WF1 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly (BK05T A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX630, GX660, GX690 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
