Description
Overview:
The Woodruff Key GXV160 Clutch Side (Honda part no. 90741-ZV4-000) is a Genuine Honda component designed to locate and lock the clutch hub securely on the engine crankshaft. Manufactured from hardened steel with a half‐moon profile, it sits in the crankshaft keyway to provide precise alignment and positive drive without slip. This small but vital key helps protect the shaft and hub from damage by ensuring accurate seating and repeatable assembly. It is suited to Honda small engines used in construction and garden machinery, with confirmed compatibility for the Honda GX640. Whether you are maintaining plant equipment or repairing a mower or generator, using a genuine key maintains alignment, reduces vibration, and supports reliable power transmission on the clutch side of the engine.
Key Features:
- Genuine Honda part for assured compatibility and fit (90741-ZV4-000)
- Hardened steel construction for strength and long service life
- Half-moon design locates positively in the crankshaft keyway
- Helps prevent clutch slippage and misalignment under load
- Machined to Honda tolerances for consistent, repeatable assembly
- Supports smooth clutch engagement and protects mating components
- Compact part that can prevent more costly damage and downtime
- Suitable for routine maintenance or clutch replacement tasks
Typical Applications:
Used to align and secure centrifugal clutches, PTO clutches, or pulleys on Honda GX640 engines found in commercial mowers, generators, plate compactors, chippers, and other plant and garden machinery. Ideal when refitting a clutch after service, replacing a damaged key, or diagnosing drive issues caused by misalignment or slip on the clutch side of the crankshaft.
Also known as:
Clutch side key, clutch key, engine woodruff key, half‐moon key, crankshaft key, keyway key, clutch hub key. These terms describe the same function: a shaped steel key that sits in the crankshaft keyway to index and lock the clutch hub or pulley in the correct position.
Fits Models:
GX640
Product Specifications
| L&S Part No. | 90741 ZV4 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 90741-ZV4-000 |
| Unit of Sale | 1 |
| Applications | GX640 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Fits Models | GX640 (GAAD) |
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