The Honda 31105-Z0Y-922 Flywheel Assembly is a genuine OEM component designed for GCV160 vertical shaft engines, HRR216 lawn mowers, and HRX217 lawn mowers. As a direct Honda OEM replacement, this assembly is manufactured to the same specifications as the original part, ensuring a correct fit with no guesswork at installation. Honda supersedes parts at specific serial breaks, so always confirm your machine's serial number against the fitment table before ordering.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this Flywheel Assembly matches the original part in geometry and magnetic configuration, ensuring correct ignition timing and charging output from day one.
- Direct OEM Replacement — engineered to install in place of the original flywheel with no modifications, restoring proper engine balance and ignition function.
- Broad Fitment — designed for GCV160 vertical shaft engines, as well as HRR216 and HRX217 lawn mowers; verify your serial number against the fitment table to confirm the correct assembly for your unit.
- Ignition and Charging Integrity — a worn or damaged flywheel disrupts spark timing and kills charging capacity, leading to hard starts, rough running, or a dead battery; this replacement restores both functions.
The flywheel is a heavy rotating disc mounted directly to the crankshaft. Its mass smooths out the power pulses of the engine, keeping it running evenly between combustion cycles. The flywheel also carries the permanent magnets that pass the ignition coil on every revolution, generating the high-voltage spark that fires the cylinder and, on engines equipped with a charging coil, supplying current to maintain the battery. When the flywheel is cracked, damaged, or has weakened magnets, the engine may refuse to start, misfire under load, or fail to charge — replacing it with a genuine OEM assembly restores proper timing and output.
Part Details
| Part Number | 31105-Z0Y-922 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Flywheel Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Mower | HRR216 | 1000001-2273647 |
| Lawn Mower | HRX217 | 3542155-9999999 |
| Vertical Shaft Engine | GCV160 | 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.
