25cc Honda VersAttach® Powerhead
Powered by Honda's famous Mini 4-Stroke 25cc Engine, this powerhead is ideal for the residential user with a lightweight, ergonomic design for ease of use.
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Features
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Mini 4-Stroke Engine
The world's lightest OHC engine, the Honda Mini 4-stroke engine requires no fuel/oil mixing, and runs at approximately half the operating cost of comparable 2-stroke engines. A full 360° 'any-side-up' operation means you can use and store the UMC425 in any position, and take advantage of the exclusive rotary-slinger lubrication system. The carburetor is equipped with an accelerator pump for fast, easy acceleration, an efficient port configuration and large diameter valves to maximise power output.
A Warranty That Connects
Honda's leading range of power equipment comes with leading warranty periods. Our range of power equipment products carry up to a 4 year domestic warranty*.
With regular servicing by a Honda authorised dealer, using only Honda Genuine Parts and Accessories, your Honda product will work hard around your home for many years.
Find more details on Honda's warranties and the warranty schedule on our warranty page.

The Honda Advantage
Engineering for Life - Honda products are developed with the features, quality and reliability to deliver




Type | 4-stroke, overhead cam, single-cylinder, horizontal shaft |
Net Power | 0.72kW (1.0HP) at 7,000 rpm |
Max Net Torque | 1.0 Nm (0.74 lbs ft) at 5,000 rpm |
Ignition System | Transistorised magneto ignition |
Starting System | Recoil Starter |
PTO Shaft Rotation | Counter-clockwise (from P.T.O. side) |
Lubrication System | Oil Mist |
Recommended Fuel | Unleaded |
Other Specs | Infinite Operating Angles |
Oil Capacity | 0.08 litres |
Fuel Tank Capacity (Litres) | 0.55 litres |
Dry Weight | 5.1 kg approx. |
Product Code | UMC425ULAUT |

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