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Honda GX25NT-S3 General Purpose Engine

Honda GX25NT-S3 General Purpose Engine
Honda GX25NT-S3 General Purpose Engine
  • Availability: Pre-Order
  • Model: GX25NT-S3 General Purpose Engine
Product Views: 4208
California Proposition 65 Warning
WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to

Honda applied our superior engine technology to create the world’s first 360° inclinable 4-Stroke engines. The ultra-lightweight GX25 Mini 4-Stroke efficiently delivers the kind of efficient cleaner, powerful, quiet performance that you’d expect from a larger engine – but in a very compact package.

Engine Type

Air-cooled 4-stroke OHC
Bore x Stroke35 mm x 26 mm 
Displacement25 cm3
Net Power Output*1.0 HP (.72 kW) @ 7,000 rpm
Net Torque0.74 lb-ft (1.0 Nm) @ 5,000 rpm
PTO Shaft RotationCounterclockwise (from PTO shaft side)
Compression Ratio8.0:1
CarburetorDiaphragm-type (overflow return)
Ignition SystemTransistorized magneto
Starting SystemRecoil
Lubrication SystemCrankcase pressure–driven
Governor SystemNA
Air cleanerSemi-dry
Oil Capacity2.7 US oz (80cc)
FuelUnleaded 86 octane or higher
Fuel Tank Capacity.61 U.S. qt (0.58 liter)
Dry Weight

6.8 lb (2.7 kg)                    


Power sourceGas
LocationEl Cerrito, CA

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