Honda UNK435L 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
  • Ergonomically designed easy-grip bike handle


    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
  • 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