The Honda 16511-Z6L-310 Governor Weight is a genuine OEM component designed for GX630, GX660, and GX690 horizontal shaft engines, GXV630, GXV660, and GXV690 vertical shaft engines, and the EB10000 generator. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring the governor assembly functions exactly as Honda intended. Confirm fitment by checking your unit's serial number against the compatibility table before ordering.
Key Features
- Genuine OEM Centrifugal Accuracy — manufactured by Honda to the correct mass and geometry the governor flyweight assembly requires for precise engine speed sensing
- Direct OEM Replacement — matches the original part and installs without modification, restoring governor function on GX630, GX660, GX690, GXV630, GXV660, GXV690 engines and the EB10000 generator
- Serial Number Verification Recommended — Honda supersedes parts at production breaks, so always cross-reference your machine's serial number with the fitment table to confirm this is the correct weight for your unit
- Engine Speed Stability — a worn or out-of-spec governor weight causes hunting, surging, or an inability to hold a steady RPM under load; replacing it restores consistent speed control
The governor weight is a centrifugal flyweight mounted on the governor gear assembly inside the engine. As engine speed rises, centrifugal force causes the weights to swing outward, moving the governor cup and linkage to reduce throttle and limit RPM. When engine speed drops under load, the weights retract and the throttle opens again. This constant mechanical feedback loop is what keeps the engine running at a stable, controlled speed regardless of the load placed on it. A governor weight that is worn, damaged, or incorrect in mass disrupts this balance, causing the engine to surge, hunt for RPM, or overrev — all of which affect both performance and the longevity of the equipment it powers.
Part Details
| Part Number | 16511-Z6L-310 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Governor Weight |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB10000 | All |
| Horizontal Shaft Engine | GX630, GX660, GX690 | All |
| 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.