Honda Engines GX25

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Overview

Availability Brochure
MakeHonda Engines
ModelGX25

Product Features

Description

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.

Common Applications
  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Construction / industrial equipment
  • Agricultural equipment
  • Water pumps
Specifications
  • Engine Type: Air-cooled 4-stroke OHC
  • Bore X Stroke: 35 mm x 26 mm
  • Displacement: 25 cm3
  • Net Power Output*: 1.0 hp (.72 kW) @ 7,000 rpm
  • Net Torque: 0.74 lb-ft (1.0 Nm) @ 5,000 rpm
  • Pto Shaft Rotation: Counterclockwise (from PTO shaft side)
  • Compression Ratio: 8.0:1
  • Carburetor: Diaphragm-type (overflow return)
  • Ignition System: Transistorized magneto
  • Starting System: Recoil
  • Lubrication System: Crankcase pressure–driven
  • Governor System: NA
  • Air Cleaner: Semi-dry
  • Oil Capacity: 2.7 US oz (80cc)
  • Fuel: Unleaded 86 octane or higher
  • Fuel Tank Capacity: .61 U.S. qt (0.58 liter)
  • Dry Weight: 6.8 lb (2.7 kg)
Dimensions
  • Length (Min): 7.6" (192mm)
  • Width (Min): 8.7" (221mm)
  • Height (Min): 9.1" (230mm)
Features
  • 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: 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.

Engine

Engine Type Air-cooled 4-stroke OHC
Bore x Stroke 35 x 26 mm
Displacement 25 cc
Compression Ratio 8.0:1
Torque 0.74 lb-ft (1.0 Nm) @ 5,000 rpm
Starting System Recoil

Dimensions

Length 7.6 in. (192 mm)
Width 8.7 in. (221 mm)
Height 9.1 in. (230 mm)
Weight 6.8 lb. (2.7 kg)

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