Description
Overview:
The Flywheel Woodruff Key 25x18 is a Genuine Honda part for securing the flywheel to the crankshaft on Honda petrol engines. Made from durable steel, its half‐moon profile sits precisely in the crankshaft keyway to lock the flywheel in position and prevent slippage, helping to maintain correct ignition timing and smooth operation. It is suitable for heavy use in construction, garden, and industrial equipment powered by Honda GX‐series engines such as the GX240 and GX390. The key measures 25 x 18 mm (approx 1.0 x 0.71 inches) for an accurate fit and references OEM number 90741-ZE2-000. Use this part when refitting a flywheel or when replacing a worn, damaged, or missing key to restore reliable performance.
Key Features:
- Genuine Honda part for assured compatibility and quality
- Steel construction for strength and long service life
- 25 x 18 mm size (approx 1.0 x 0.71 inches) for precise fitment
- Helps prevent flywheel slippage and preserves ignition timing
- Simple to install during flywheel or crankshaft service
- Stable performance under vibration and load in GX‐series engines
- Suitable for professional, commercial, and DIY use
- References OEM 90741-ZE2-000 for easy identification
Typical Applications:
Used during engine rebuilds, flywheel removal and refitting, or routine maintenance on generators, pressure washers, compactors, pumps, mowers, and other machines powered by Honda GX and GXV engines. Ideal when a key is sheared, missing, or worn to restore proper drive and timing.
Also known as:
Engine key, flywheel key, crankshaft key, half‐moon key, keyway key, woodruff crank key.
Fits Models:
EC5000, GCV520, GCV520U, GCV530, GCV530U, GX240, GX240K1, GX240U1, GX240UT1, GX240UT2, GX270, GX270H, GX270T, GX270T2, GX270U, GX270UT, GX270UT2, GX340, GX340K1, GX340T1, GX340T2, GX340U1, GX340UT1, GX360K1, GX390, GX390H1, GX390K1, GX390T1, GX390T2, GX390U1, GX390UT1, GX390UT2, GX440IU, GX610, GX610U1, GX620, GX620U1, GX630, GX630R, GX630RH, GX660R, GX660RH, GX670, GX690, GX690H, GX690R, GX690RH, GXV340RT2, GXV340T2, GXV390, GXV390K1, GXV390RT1, GXV530U, GXV610, GXV620, GXV630R, GXV630RH, GXV660R, GXV670, GXV670U
Alternate Part Numbers:
90741-ZE2-000, 90741ZE2000
Product Specifications
| L&S Part No. | 90741 ZE2 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 90741ZE2000 |
| Unit of Sale | 1 |
| Size | 25x18mm |
| Applications | EC5000, GCV520, GCV520U, GCV530, GCV530U, GX240, GX240K1, GX240U1, GX240UT1, GX240UT2, GX270, GX270H, GX270T, GX270T2, GX270U, GX270UT, GX270UT2, GX340, GX340K1, GX340T1, GX340T2, GX340U1, GX340UT1, GX360K1, GX390, GX390H1, GX390K1, GX390T1, GX390T2, GX390U1, GX390UT1, GX390UT2, GX440IU, GX610, GX610U1, GX620, GX620U1, GX630, GX630R, GX630RH, GX660R, GX660RH, GX670, GX690, GX690H, GX690R, GX690RH, GXV340RT2, GXV340T2, GXV390, GXV390K1, GXV390RT1, GXV530U, GXV610, GXV620, GXV630R, GXV630RH, GXV660R, GXV670, GXV670U |
| Machine Type | Engines |
| Fits Brands | Honda |
| Fits Models | GX340K1 (GC05) | GX340U1 (GCAMK) | GX340UT1 (GCAVT) | GX340T1 (GCAWT) | GX340T2 (GCBFT) | GX340K1 (GDAE) | GX270 (GCAB) | GX270 (GDAD) | GX270H (GCADH) | GX240K1 (GC04) | GX270T (GCADT) | GX270UT (GCAJT) | GX270U (GCALK) | GX270UT2 (GCBGT) | GX240U1 (GCAKK) | GX270T2 (GCBHT) | GX240UT1 (GCATT) | GX360K1 (GA01) | GX390K1 (GDAF) | GX390T1 (GCAET) | GX390H1 (GCAFH) | GX390UT1 (GCAKT) | GX390U1 (GCANK) | GX390UT2 (GCBCT) | GX240UT2 (GCBJT) | GX390T2 (GCBDT) | GX240K1 (GDAC) | GX390K1 (GCAA) | GX440IU (GCAWK) | GX610 (GCAC) | GX610U1 (GCAPK) | GX620 (GCAD) | GX620 (GDAH) | GX620U1 (GCARK) | GX630 (GDABK) | GX630RH (GCAMH) | GX630R (GCBEK) | GX660RH (GCANH) | GX660R (GCBFK) | GX670 (GCAM) | GX690 (GDACK) | GX690RH (GCAPH) | GX690R (GCBGK) | GX690H (GDACH) | GXV610 (GJAC) | GXV620 (GJAD) | GXV630RH (GJACH) | GXV630R (GJANK) | GXV660R (GJAPK) | GXV670 (GJAH) | GXV670U (GJAHK) | GXV530U (GJAEK) | GXV340T2 (GJABT) | GXV340RT2 (GJACT) | GXV390 (GJAA) | GXV390K1 (GEAD) | GXV390RT1 (GJADT) | GCV520U (GJABK) | GCV520 (GJAKM) | GCV530U (GJADK) | GCV530 (GJAJM) | EC5000 |
