Honda UMK425U4U Brush Cutter

Honda leads the world with revolutionary mini 4-stroke engines that deliver more power and use less oil. With their auto-decompression, electronic ignition and anti-flood primer system, Honda Brushcutters start first time, every time, year after year.

Less weight and more power are two of the great features of Honda’s Mini 4 Engines used in the Brushcutters. Boasting the latest in Honda’s ultra-compact, lightweight, 4-stroke engines, Honda’s new UMK425 Brushcutters pump out superb power and more torque than ever before.

The UMK425 U4U is powered by Honda’s new Generation II GX25 Mini 4 stroke engine. Honda Brushcutters run on unleaded fuel so you’ll never have to mix oil and petrol again. And, with their superior engineering, Honda Brushcutters produce less noise and smoke making them environmentally friendly.


    • Delivers excellent torque and performance via its Generation II, GX25 mini 4-stroke engine
    • 360° fully inclinable operation


Category Brushcutters
Sub-Category Straight Shaft Bike Handle
Product Name Straight shaft bike handle – UMK 425 U
Product Code UMK 425 U
Engine Type Air-cooled 4-stroke OHC/OHV single-cylinder
Displacement 25cm³
Bore & Stroke 35 x 26mm
Maximum Power Output 0.81W (1.1PS)/7000rpm
Maximum Torque 1.25Nm (0.13kg-m)/5000rpm
Fuel Consumption 340g/kwh (250g/PSh)
Lubrication System Crankcase pressure driven
Oil Capacity (litres) 0.08
Fuel Tank Capacity (litres) 0.55
Fuel Type Unleaded
Dimensions (mm) 1,860 x 640 x 450 (LxWxH)
Dry weight (kg) 5.9
Goggles Yes
Harness Yes – Double
Blades Optional (4-Tooth)
Anti-vibration Yes
Handle Type Bike
Drive Shaft Solid
Head Manual nylon head
  • Makes tough jobs easy with a 4-tooth metal blade plus a heavy-duty tap-and-go nylon line head
  • Comfortable to use solid drive shaft with unique anti-vibration engine mount


Contact Us

Hempfield Small Motors Phone: 08 9451 4833 Fax 08 9356 1253 enquiries at hempfieldsmallmotors dot com dot au (Click here to email us)

Where We Are

  • 266 Welshpool Road
  • Welshpool
  • WA 6106 Australia