The Honda 16100-ZCT-WB1 Carburetor Assembly (BK07Y A) is a genuine OEM replacement designed for GXV630, GXV660, and GXV690 vertical shaft engines. As a direct Honda OEM component, this carburetor assembly carries the correct jetting, metering, and calibration for these large-displacement vertical shaft engines — no guesswork on fuel delivery settings. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes carburetor assemblies at specific serial breaks and the BK07Y A variant designation identifies a distinct configuration.
Key Features
- Correct Fuel Calibration — genuine Honda OEM construction ensures the jets, needle, and float are set precisely for the fuel delivery demands of GXV630, GXV660, and GXV690 vertical shaft engines
- Variant-Specific Fit — the BK07Y A designation identifies this as a specific carburetor configuration; verify this variant matches your engine before installing
- Serial Number Matters — Honda issues carburetor supersessions at defined serial breaks; cross-check your engine serial against the fitment table to confirm this is the right assembly for your unit
- Restored Starting and Throttle Response — a worn or damaged carburetor causes hard starting, rough idle, and erratic throttle response; replacing it with the correct OEM assembly brings fuel delivery back to spec
The carburetor is the component responsible for mixing air and fuel in the precise ratio the engine needs to start, idle, and run under load. On the GXV630, GXV660, and GXV690 vertical shaft engines, the carburetor assembly meters fuel through a series of internal passages, jets, and a float-controlled bowl, delivering the right mixture across all throttle positions. When the carburetor degrades — through wear, varnish buildup from stale fuel, or a damaged needle or seat — the engine may refuse to start, surge at idle, or lose power under load, and replacing the assembly with the correct OEM unit is the most reliable path to restoring consistent performance.
Part Details
| Part Number | 16100-ZCT-WB1 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly (BK07Y A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Vertical Shaft Engine | GXV630, GXV660, GXV690 | 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.