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  • Phoenix, AZ 85009
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2023 Honda Engines Mini-4 Series GX25

Information

2023 Honda Engines Mini-4 Series GX25

Make light work of hard tasks.

Honda applied our superior engine technology to create the world’s first 360° inclinable 4-Stroke engines. The ultra-lightweight GX Mini 4-Strokes effectively deliver the kind of efficient, cleaner, powerful and quiet performance that you’d expect from a larger engine – but in a very compact package.

  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Construction / industrial equipment
  • Agricultural equipment
  • Water pumps

Features may include:

ADVANCED TECHNOLOGY
  • 4-stroke - no fuel/oil mixing
  • Full 360° "any-side-up" operation - use and store in any position
  • Exclusive rotary-slinger lubrication system
  • The world's lightest OHC engine
FUEL EFFICIENT, HIGH OUTPUT OPERATION
  • Approximately half the operating cost of comparable 2-stroke engines
  • Efficient port configuration and large diameter valves maximize power output
  • Lighter, more rigid valve train
  • Carburetor equipped with accelerator pump for fast, easy acceleration
SMOOTH PERFORMANCE
  • Precision engineered components result in lower vibration
  • Lighter piston minimizes vibration
  • Ball bearing supported crankshaft for greater stability
  • Roller bearing supported connecting rod
EXCEPTIONALLY QUIET
  • Belt-driven OHC design reduces mechanical noise
  • Large capacity, multi-chamber exhaust system
  • Sophisticated air intake system
PROVEN RELIABILITY
  • High quality materials, fit, and finish
  • Lifetime timing belt design
  • Integrated fuel system protection
  • Diaphragm carburetor
EASY TO USE AND MAINTAIN
  • Easily accessible spark plug
  • Easy to drain and re-fill oil
  • No mixing of gas and oil
EASY STARTING
  • Exhaust decompression system
  • Unique low inertia design
EMISSIONS COMPLIANT
  • No catalyst necessary
AVAILABLE OPTIONS
  • Special designs for horizontal and vertical applications available
  • Several different model types available for both horizontal and vertical applications. Refer to Find a Distributor under OEM Support at the bottom of the page for application assistance.

Photos

Highlights

  • Phoenix, Arizona
  • 2023
  • Honda Engines
  • Mini-4 Series GX25
  • Unleaded 86 octane or higher
  • 6.8 lb (2.7 kg)
  • Available
  • min: 8.7" (221mm)
  • min: 9.1" (230mm)

Specifications

  • 2023
  • Honda Engines
  • Mini-4 Series
  • GX25
  • General
  • Air-cooled 4-stroke OHC
  • 35 mm
  • 26 mm
  • 25 cm3
  • Net Output: 1.0 HP (.72 kW) @ 7,000 rpm
  • Net:0.74 lb-ft (1.0 Nm) @ 5,000 rpm
  • 8.0:1
  • Diaphragm-type (overflow return)
  • System: Transistorized magneto
  • System: Recoil
  • System: Crankcase pressure–driven
  • Semi-dry
  • Unleaded 86 octane or higher
  • Counterclockwise (from PTO shaft side)
  • min: 7.6" (192mm)
  • min: 8.7" (221mm)
  • min: 9.1" (230mm)
  • 2.7 US oz (80cc)
  • Tank: 0.61 U.S. qt (0.58 liter)
  • 6.8 lb (2.7 kg)